La Méthode Heuristique de mathématiques – Enseigner ...



Fiches complémentairesMHM – Cycle 3 Calcul mental1 à 6Tables d’addition7 - 8Tables de soustraction9 à 11Ajouter un nbr <10 à un nbre <100 12- 13Ajouter un nbr <10 à un nbre <100014 - 15Enlever un nbr <10 à un nbre <10016 à 19Enlever un nbr <10 à un nbre <100020 à 23Ajouter 5,6,7,8,9 à un nbre <10024 à 27Ajouter 5,6,7,8,9 à un nbre <100028 à 31Ajouter 10,11 à un nbre <10032 à 37Ajouter 10,11 à un nbre <100038 – 39Ajouter 20/ 30 à un nbre <100040 à 43Enlever 5,6,7,8,9 à un nbre <10044 - 45Enlever 10 à un nombre <100046 – 47Enlever un nbre <10 à un nbre <10048 à 53Ajouter 5,6,7,8,9,10,11 à un nbre <10 00054 – 55Ajouter deux nombres < 2056 -57Ajouter deux nombres < 4058 à 60Ajouter des dizaines entières61 – 62Ajouter des centaines entières63 à 64Ajouter 100 à un nbre < 10 00065 – 66Ajouter 200 à un nbre < 10 00067 à 69Ajouter 1000 à un nbre > 100070 – 71Ajouter deux nombres (calcul en ligne)72 - 73Enlever un nombre à un autre (calcul en ligne)74 à 82Tables de multiplication83 – 86Doubles87 – 88Triples89 à 94Moitiés95 à 98Tiers99 – 100Quart101 – 102Complément à la dizaine supérieure103 à 107Complément à 100108 à 116Complément à 1000117 à 121Nbre entier x10122 à 124Nbre entier x100125-126Nbre entier x1000127-128Nbre entier?: 10129 – 130Nbre entier?: 100131 à 134 Nbre décimal x10135 – 136Nbre décimal x 100137 à 142Nombre décimal?:10,?:100143 à 150 Ajouter deux nombres décimaux151 à 156 Soustraire deux nombres décimaux157 à 160Division?: donner quotient et reste161 à 176Multiples et diviseurs177 à 180Ajouter / enlever 19181 à 186 Multiplier par 11, 99, 101187 à 190Multiplier un nbre décimal par 20191 – 192Multiplier par 25193 à 196Calculs additifs astucieux197 à 200Pyramides additivesExercice 1 : 1 min1 + 1 = . . . 2 + 3 = . . .6 + 2 = . . .3 + 1 = . . .9 + 5 = . . .4 + 3 = . . .5 + 2 = . . .1 + 7 = . . .8 + 3 = . . .3 + 5 = . . .9 + 2 = . . . 6 + 1 = . . .0 + 8 = . . .9 + 0 = . . .10 + 1 = . . .10 + 3 = . . .9 + 3 = . . .2 + 4 = . . .2 + 10 = . . .7 + 3 = . . .Exercice 2 : 1 min5 + 1 = . . . 3 + 9 = . . .4 + 6 = . . .9 + 2 = . . .9 + 1 = . . .4 + 4 = . . .5 + 4 = . . .7 + 4 = . . .8 + 4 = . . .2 + 7 = . . .3 + 8 = . . . 7 + 1 = . . .5 + 5 = . . .0 + 5 = . . .5 + 6 = . . .7 + 5 = . . .4 + 3 = . . .2 + 9 = . . .4 + 8 = . . .4 + 9 = . . .Exercice 3 : 1 min9 + 1 = . . . 6 + 3 = . . .8 + 2 = . . .3 + 3 = . . .9 + 5 = . . .4 + 6 = . . .5 + 5 = . . .5+ 7 = . . .8 + 1 = . . .3 + 5 = . . .9 + 7 = . . . 6 + 7 = . . .8 + 8 = . . .9 + 9 = . . .10 + 1 = . . .10 + 5 = . . .9 + 3 = . . .2 + 7 = . . .7 + 10 = . . .7 + 7 = . . .Exercice 4 : 1 min7 + 1 = . . . 3 + 3 = . . .4 + 7 = . . .9 + 3 = . . .9 + 6 = . . .4 + 4 = . . .5 + 6 = . . .7 + 7 = . . .8 + 8 = . . .2 + 5 = . . .3 + 7 = . . . 7 + 6 = . . .9 + 8 = . . .10 + 9 = . . .10 + 6 = . . .7 + 5 = . . .4 + 3 = . . .2 + 9 = . . .4 + 8 = . . .4 + 9 = . . .Exercice 5 : 1 min7 + 2 = . . . 3 + 5 = . . .1 + 1 = . . .2 + 7 = . . .9 + 3 = . . .2 + 5 = . . .9 + 6 = . . .4 + 4 = . . .7 + 6 = . . .5 + 6 = . . .7 + 7 = . . .10 + 9 = . . .8 + 0 = . . .2 + 5 = . . .3 + 5 = . . .3 + 7 = . . . 7 + 6 = . . .6 + 7 = . . .9 + 2 = . . .10 + 0 = . . .9 + 9 = . . .10 + 6 = . . .7 + 5 = . . .3 + 7 = . . . 4 + 3 = . . .2 + 9 = . . .9 + 8 = . . .8 + 8 = . . .4 + 9 = . . .10 + 6 = . . .Exercice 6 : 1 min2 + 2 = . . . 3 + 1 = . . .7 + 1 = . . .10 + 7 = . . .1 + 5 = . . .5 + 5 = . . .4 + 6 = . . .4 + 5 = . . .3 + 6 = . . .5 + 10 = . . .7 + 0 = . . .10 + 10 = . . .8 + 5 = . . .2 + 9 = . . .3 + 3 = . . .6 + 7 = . . . 6 + 6 = . . .6 + 5 = . . .9 + 7 = . . .10 + 8 = . . .9 + 5 = . . .10 + 7 = . . .7 + 9 = . . .4 + 7 = . . . 4 + 3 = . . .3 + 2 = . . .9 + 5 = . . .8 + 2 = . . .4 + 2 = . . .10 + 1 = . . .Exercice 7 : 1 min7 – 1 = . . . 8 – 3 = . . .9 – 7 = . . .9 – 3 = . . .9 – 6 = . . .4 – 4 = . . .7 – 6 = . . .7 – 1 = . . .8 – 6 = . . .5 – 2 = . . .8 – 4 = . . . 10 – 6 = . . .9 – 8 = . . .10 – 9 = . . .10 – 5 = . . .7 – 3 = . . .10 – 3 = . . .8 – 5 = . . .4 – 1 = . . .5 – 1 = . . .Exercice 8 : 1 min5 – 2 = . . . 8 – 4 = . . .9 – 2 = . . .6 – 0 = . . .5 – 1 = . . .7 – 4 = . . .7 – 2 = . . .7 – 5 = . . .8 – 5 = . . .8 – 2 = . . .8 – 6 = . . . 10 – 5 = . . .9 – 8 = . . .10 – 8 = . . .10 – 5 = . . .4 – 3 = . . .8 – 4 = . . .6 – 5 = . . .3 – 1 = . . .6 – 3 = . . .Exercice 9 : 3 min7 + 14 = . . . 13 + 3 = . . .4 + 17 = . . .29 + 3 = . . .9 + 16 = . . .14 + 4 = . . .5 + 16 = . . .57 + 7 = . . .9 + 17 = . . . 26 + 7 = . . .8 + 80 = . . .19 + 9 = . . .10 + 25 = . . .4 + 25 = . . .11 + 6 = . . .17 + 5 = . . .19 + 9 = . . .32 + 9 = . . .3 + 37 = . . . 7 + 46 = . . .Exercice 10 :19 + 1 = . . . 36 + 3 = . . .58 + 1 = . . .39 + 1 = . . .37 + 2 = . . .48 + 5 = . . .69 + 6 = . . .74 + 7 = . . .33 + 5 = . . .19 + 8 = . . .Exercice 11 :24 + 1 = . . . 16 + 7 = . . .68 + 4 = . . .18 + 2 = . . .79 + 1 = . . .91 + 9 = . . .56 + 4 = . . .67 + 7 = . . .33 + 9 = . . .73 + 9 = . . .Exercice 12 :176 + 1 = . . . 126 + 7 = . . .608 + 4 = . . .177 + 2 = . . .749 + 1 = . . .901 + 9 = . . .516 + 4 = . . .637 + 7 = . . .353 + 3 = . . .773 + 9 = . . .Exercice 13 :9 + 124 = . . . 6 + 709 = . . .679 + 2 = . . .478 + 2 = . . .348 + 7 = . . .704 + 9 = . . .604 + 4 = . . .644 + 7 = . . .883 + 3 = . . .709 + 5 = . . .Exercice 14 :19 – 1 = . . . 36 – 3 = . . .58 – 1 = . . .39 – 1 = . . .27 – 2 = . . .48 – 5 = . . .69 – 6 = . . .74 – 7 = . . .33 – 5 = . . .19 – 8 = . . .Exercice 15 :24 – 1 = . . . 56 – 7 = . . .68 – 4 = . . .98 – 2 = . . .79 – 1 = . . .91 – 9 = . . .56 – 4 = . . .27 – 7 = . . .53 – 9 = . . .73 – 9 = . . .Exercice 16 :176 – 4 = . . . 126 – 7 = . . .608 – 4 = . . .277 – 2 = . . .739 – 1 = . . .109 – 9 = . . .516 – 4 = . . .637 – 7 = . . .353 – 3 = . . .753 – 9 = . . .Exercice 17 :245 – 4 = . . . 607 – 7 = . . .333 – 4 = . . .715 – 2 = . . .569 – 1 = . . .111 – 9 = . . .425 – 4 = . . .632 – 7 = . . .302 – 3 = . . .903 – 9 = . . .Exercice 18 :706 – 4 = . . . 355 – 5 = . . .326 – 7 = . . .247 – 3 = . . .539 – 6 = . . .144 – 9 = . . .906 – 1 = . . .615 – 6 = . . .993 – 8 = . . .773 – 9 = . . .Exercice 19 :555 – 9 = . . . 313 – 4 = . . .704 – 6 = . . .551 – 8 = . . .540 – 5 = . . .203 – 9 = . . .405 – 2 = . . .312 – 7 = . . .766 – 1 = . . .933 – 6 = . . .Exercice 20 :29 + 5 = . . . 66 + 5 = . . .64 + 5 = . . .47 + 5 = . . .34 + 5 = . . .70 + 5 = . . .87 + 5 = . . .36 + 5 = . . .88 + 5 = . . .71 + 5 = . . .Exercice 21 :26 + 7 = . . . 68 + 7 = . . .44 + 7 = . . .49 + 7 = . . .66 + 7 = . . .72 + 7 = . . .82 + 7 = . . .35 + 7 = . . .89 + 7 = . . .75 + 7 = . . .Exercice 22 :33 + 8 = . . . 98 + 8 = . . .41 + 8 = . . .19 + 8 = . . .66 + 8 = . . .75 + 8 = . . .83 + 8 = . . .19 + 8 = . . .82 + 8 = . . .79 + 8 = . . .Exercice 23 :53 + 9 = . . . 22 + 9 = . . .44 + 9 = . . .18 + 9 = . . .61 + 9 = . . .75 + 9 = . . .82 + 9 = . . .99 + 9 = . . .43 + 9 = . . .94 + 9 = . . .Exercice 24 :111 + 5 = . . . 626 + 5 = . . .260 + 5 = . . .427 + 5 = . . .343 + 5 = . . .508 + 5 = . . .817 + 5 = . . .916 + 5 = . . .288 + 5 = . . .531 + 5 = . . .Exercice 25 :226 + 7 = . . . 628 + 7 = . . .414 + 7 = . . .490 + 7 = . . .333 + 7 = . . .772 + 7 = . . .829 + 7 = . . .354 + 7 = . . .819 + 7 = . . .705 + 7 = . . .Exercice 26 :323 + 8 = . . . 298 + 8 = . . .414 + 8 = . . .169 + 8 = . . .565 + 8 = . . .705 + 8 = . . .831 + 8 = . . .419 + 8 = . . .802 + 8 = . . .744 + 8 = . . .Exercice 27 :513 + 9 = . . . 220 + 9 = . . .474 + 9 = . . .908 + 9 = . . .161 + 9 = . . .232 + 9 = . . .634 + 9 = . . .781 + 9 = . . .443 + 9 = . . .805 + 9 = . . .Exercice 28 :53 + 10 = . . . 22 + 10 = . . .74 + 10 = . . .18 + 10 = . . .34 + 10 = . . .73 + 10 = . . .66 + 10 = . . .82 + 10 = . . .91 + 10 = . . .35 + 10 = . . .Exercice 29 :42 + 10 = . . . 21 + 10 = . . .77 + 10 = . . .45 + 10 = . . .39 + 10 = . . .72 + 10 = . . .56 + 10 = . . .88 + 10 = . . .99 + 10 = . . .75 + 10 = . . .Exercice 30 :31 + 11 = . . . 24 + 11 = . . .45 + 11 = . . .58 + 11 = . . .83 + 11 = . . .73 + 11 = . . .76 +11 = . . .86 + 11 = . . .91 + 11 = . . .39 + 11 = . . .Exercice 31 :35 + 11 = . . . 46 + 11 = . . .75 + 11 = . . .88 + 11 = . . .80 + 11 = . . .77 + 11 = . . .26 +11 = . . .19 + 11 = . . .94 + 11 = . . .89 + 11 = . . .Exercice 32 :233 + 10 = . . . 112 + 10 = . . .704 + 10 = . . .189 + 10 = . . .264 + 10 = . . .173 + 10 = . . .721 + 10 = . . .952 + 10 = . . .501 + 10 = . . .355 + 10 = . . .Exercice 33 :423 + 10 = . . . 441 + 10 = . . .770 + 10 = . . .485 + 10 = . . .389 + 10 = . . .772 + 10 = . . .206 + 10 = . . .887 + 10 = . . .939 + 10 = . . .759 + 10 = . . .Exercice 34 :213 + 10 = . . . 452 + 10 = . . .704 + 10 = . . .178 + 10 = . . .219 + 10 = . . .753 + 10 = . . .456 + 10 = . . .772 + 10 = . . .791 + 10 = . . .353 + 10 = . . .Exercice 35 :331 + 11 = . . . 207+ 11 = . . .405 + 11 = . . .934 + 11 = . . .843 + 11 = . . .753 + 11 = . . .756 + 11 = . . .806 + 11 = . . .981 + 11 = . . .379 + 11 = . . .Exercice 36 :505 + 11 = . . . 236 + 11 = . . .445 + 11 = . . .668 + 11 = . . .850 + 11 = . . .756 + 11 = . . .416 + 11 = . . .279 + 11 = . . .924 + 11 = . . .899 + 11 = . . .Exercice 37 :341 + 11 = . . . 247 + 11 = . . .207 + 11 = . . .598 + 11 = . . .843 + 11 = . . .735 + 11 = . . .766 + 11 = . . .869 + 11 = . . .571 + 11 = . . .306 + 11 = . . .Exercice 38 :171 + 20 = . . . 626 + 20 = . . .270 + 20 = . . .427 + 20 = . . .323 + 20 = . . .608 + 20 = . . .817 + 20 = . . .916 + 20 = . . .288 + 20 = . . .571 + 20 = . . .Exercice 39 :256 + 30 = . . . 528 + 30 = . . .914 + 30 = . . .590 + 30 = . . .363 + 30 = . . .762 + 30 = . . .819 + 30 = . . .354 + 30 = . . .629 + 30 = . . .705 + 30 = . . .Exercice 40 :49 – 5 = . . . 96 – 5 = . . .67 – 5 = . . .47 – 5 = . . .34 – 5 = . . .70 – 5 = . . .57 – 5 = . . .26 – 5 = . . .88 – 5 = . . .71 – 5 = . . .Exercice 41 :66 – 7 = . . . 38 – 7 = . . .94 – 7 = . . .49 – 7 = . . .63 – 7 = . . .52 – 7 = . . .72 – 7 = . . .65 – 7 = . . .89 – 7 = . . .55 – 7 = . . .Exercice 42 :23 – 8 = . . . 98 – 8 = . . .41 – 8 = . . .39 – 8 = . . .66 – 8 = . . .71 – 8 = . . .73 – 8 = . . .59 – 8 = . . .82 – 8 = . . .74 – 8 = . . .Exercice 43 :23 – 9 = . . . 62 – 9 = . . .74 – 9 = . . .18 – 9 = . . .61 – 9 = . . .55 – 9 = . . .82 – 9 = . . .99 – 9 = . . .43 – 9 = . . .94 – 9 = . . .Exercice 44 :53 – 10 = . . . 22 – 10 = . . .71 – 10 = . . .18 – 10 = . . .34 – 10 = . . .73 – 10 = . . .66 – 10 = . . .82 – 10 = . . .91 – 10 = . . .35 – 10 = . . .Exercice 45 :543 – 10 = . . . 272 – 10 = . . .571 – 10 = . . .838 – 10 = . . .344 – 10 = . . .773 – 10 = . . .666 – 10 = . . .822 – 10 = . . .971 – 10 = . . .305 – 10 = . . .Exercice 46 : 3 min17 – 4 = . . . 18 – 3 = . . .19 – 7 = . . .29 – 6 = . . .34 – 4 = . . .14 – 5 = . . .17 – 6 = . . .21 – 1 = . . .33 – 2 = . . .25 – 2 = . . .19 – 4 = . . . 30 – 6 = . . .16 – 8 = . . .33 – 9 = . . .41 – 5 = . . .27 – 3 = . . .51– 3 = . . .28 – 5 = . . .47 – 6 = . . .25 – 6 = . . .Exercice 47 : 3 min31 – 3 = . . . 24 – 3 = . . .59 – 8 = . . .29 – 5 = . . .14 – 7 = . . .58 – 5 = . . .16 – 7 = . . .51 – 2 = . . .37 – 2 = . . .29 – 5 = . . .73 – 4 = . . . 20 – 6 = . . .66 – 6 = . . .55 – 9 = . . .81 – 4 = . . .77 – 7 = . . .51 – 3 = . . .21 – 1 = . . .47 – 2 = . . .25 – 6 = . . .Exercice 48 :1 411 + 5 = . . . 6 267 + 5 = . . .2 604 + 5 = . . .4 022 + 5 = . . .3 143 + 5 = . . .2 308 + 5 = . . .8 617 + 5 = . . .9 224 + 5 = . . .7 586 + 5 = . . .5 031 + 5 = . . .Exercice 49 :2 826 + 7 = . . . 1 628 + 7 = . . .4 014 + 7 = . . .1 490 + 7 = . . .3 832 + 7 = . . .7 552 + 7 = . . .9 221 + 7 = . . .3 054 + 7 = . . .8 419 + 7 = . . .7 003 + 7 = . . .Exercice 50 :3 323 + 8 = . . . 2 798 + 8 = . . .4 014 + 8 = . . .1 699 + 8 = . . .5 605 + 8 = . . .4 905 + 8 = . . .3 535 + 8 = . . .9 712 + 8 = . . .8 702 + 8 = . . .7 454 + 8 = . . .Exercice 51 :2 523 + 9 = . . . 3 201 + 9 = . . .4 774 + 9 = . . .5 008 + 9 = . . .7 561 + 9 = . . .2 830 + 9 = . . .6 364 + 9 = . . .7 681 + 9 = . . .4 143 + 9 = . . .8 205 + 9 = . . .Exercice 52 :2 613 + 10 = . . . 4 752 + 10 = . . .7 104 + 10 = . . .1 078 + 10 = . . .4 319 + 10 = . . .8 152 + 10 = . . .2 456 + 10 = . . .7 552 + 10 = . . .7 561 + 10 = . . .4 594 + 10 = . . .Exercice 53 :3 322 + 11 = . . . 3 566 + 11 = . . .1 390 + 11 = . . .4 784 + 11 = . . .7 223+ 11 = . . .6 532 + 11 = . . .7 666 +11 = . . .8 069 + 11 = . . .3 551 + 11 = . . .5 006 + 11 = . . .Exercice 54 :16 + 11 = . . . 11 + 15 = . . .14 + 14 = . . .14 + 14 = . . .13 + 11 = . . .16 + 12 = . . .19 + 10 = . . .15 + 13 = . . .12 + 19 = . . .14 + 18 = . . .Exercice 55 :16 + 14 = . . . 15 + 15 = . . .17 + 13 = . . .18 + 14 = . . .15 + 17 = . . .16 + 16 = . . .19 + 14 = . . .15 + 18 = . . .16 + 19 = . . .17 + 18 = . . .Exercice 56 :26 + 22 = . . . 24 + 21 = . . .25 + 26 = . . .23 + 28 = . . .23 + 21 = . . .26 + 24 = . . .29 + 20 = . . .25 + 27 = . . .22 + 29 = . . .24 + 28 = . . .Exercice 57 :33 + 12 = . . . 14 + 35 = . . .35 + 16 = . . .13 + 38 = . . .33 + 16 = . . .31 + 14 = . . .39 + 20 = . . .35 + 17 = . . .32 + 29 = . . .34 + 28 = . . .Exercice 58 :10 + 10 = . . . 20 + 30 = . . .20 + 40 = . . .50 + 20 = . . .30 + 50 = . . .60 + 20 = . . .50 + 50 = . . .50 + 40 = . . .70 + 10 = . . .90 + 10 = . . .Exercice 59 :30 + 20 = . . . 40 + 30 = . . .80 + 20 = . . .70 + 10 = . . .20 + 90 = . . .30 + 80 = . . .40 + 50 = . . .60 + 60 = . . .70 + 30 = . . .10 + 80 = . . .Exercice 60 :30 + 30 = . . . 40 + 60 = . . .50 + 50 = . . .70 + 70 = . . .40 + 90 = . . .50 + 80 = . . .60 + 50 = . . .60 + 90 = . . .70 + 60 = . . .40 + 80 = . . .Exercice 61 :300 + 200 = . . . 400 + 300 = . . .500 + 200 = . . .700 + 100 = . . .200 + 900 = . . .300 + 800 = . . .400 + 500 = . . .100 + 600 = . . .700 + 200 = . . .100 + 800 = . . .Exercice 62 :300 + 300 = . . . 400 + 600 = . . .500 + 500 = . . .700 + 700 = . . .400 + 900 = . . .500 + 800 = . . .600 + 500 = . . .600 + 900 = . . .700 + 600 = . . .200 + 800 = . . .Exercice 63 :2 520 + 100 = . . . 3 201 + 100 = . . .4 674 + 100 = . . .5 008 + 100 = . . .7 561 + 100 = . . .1 830 + 100 = . . .6 364 + 100 = . . .3 681 + 100 = . . .4 143 + 100 = . . .8 204 + 100 = . . .Exercice 64 :7 233 + 100 = . . . 3 441 + 100 = . . .1 109 + 100 = . . .6?089 + 100 = . . .7 001 + 100 = . . .1 425 + 100 = . . .6 575 + 100 = . . .3 325 + 100 = . . .4 900 + 100 = . . .8 884 + 100 = . . .Exercice 65 :2 617 + 200 = . . . 4 750 + 200 = . . .9 704 + 200 = . . .1 078 + 200 = . . .1 329 + 200 = . . .8 151 + 200 = . . .2 452 + 200 = . . .5 502 + 200 = . . .7 564 + 200 = . . .2 553 + 200 = . . .Exercice 66 :4 256 + 200 = . . . 8 750 + 200 = . . .1 325 + 200 = . . .1 008 + 200 = . . .3 729 + 200 = . . .9 699 + 200 = . . .2 152 + 200 = . . .5 802 + 200 = . . .7 040 + 200 = . . .2 925 + 200 = . . .Exercice 67 :2 520 + 1 000 = . . . 3 201 + 1 000 = . . .4 674 + 1 000 = . . .5 008 + 1 000 = . . .7 561 + 1 000 = . . .1 830 + 1 000 = . . .6 364 + 1 000 = . . .3 681 + 1 000 = . . .9 143 + 1 000 = . . .8 204 + 1 000 = . . .Exercice 68 :1 671 + 1 000 = . . . 6 926 + 1 000 = . . .2 770 + 1 000 = . . .5 427 + 1 000 = . . .3 323 + 1 000 = . . .4 608 + 1 000 = . . .8 117 + 1 000 = . . .7 916 + 1 000 = . . .2 804 + 1 000 = . . .5 575 + 1 000 = . . .Exercice 69 :13 323 + 1 000 = . . . 65 026 + 1 000 = . . .26 170 + 1 000 = . . .15 837 + 1 000 = . . .30 909 + 1 000 = . . .48 6018 + 1 000 = . . .82 127 + 1 000 = . . .78 086 + 1 000 = . . .29 804 + 1 000 = . . .59 005 + 1 000 = . . .Exercice 70 : 4 min27 + 14 = . . . 53 + 15 = . . .21 + 18 = . . .45 + 9 = . . .65 + 16 = . . .44 + 14 = . . .210 + 16 = . . .107 + 8 = . . .35 + 15 = . . . 104 + 16 = . . .53 + 32 = . . .42 + 9 = . . .36 + 25 = . . .30 + 15 = . . .22 + 66 = . . .75 + 15 = . . .50 + 47 = . . .71 + 19 = . . .23 + 47 = . . . 74 + 26 = . . .Exercice 71 : 4 min107 + 14 = . . . 103 + 15 = . . .401 + 17 = . . .290 + 9 = . . .950 + 16 = . . .144 + 144 = . . .550 + 16 = . . .507 + 7 = . . .633 + 17 = . . . 206 + 17 = . . .108 + 80 = . . .109 + 9 = . . .100 + 250 = . . .130 + 25 = . . .111 + 66 = . . .175 + 15 = . . .140 + 135 = . . .321 + 9 = . . .333 + 37 = . . . 704 + 46 = . . .Exercice 72 : 4 min125 – 14 = . . . 158 – 33 = . . .109 – 7 = . . .235 – 6 = . . .304 – 4 = . . .126 – 15 = . . .197 – 36 = . . .2 001 – 1 = . . .373 – 42 = . . .295 – 5 = . . .907 – 6 = . . . 390 – 6 = . . .126 – 18 = . . .444 – 9 = . . .451 – 5 = . . .277 – 33 = . . .511 – 3 = . . .298 – 15 = . . .667 – 66 = . . .275 – 16 = . . .Exercice 73 : 235 – 31 = . . . 375 – 35 = . . .224 – 7 = . . .605 – 6 = . . .868 – 14 = . . .273 – 41 = . . .477 – 22 = . . .901 – 31 = . . .322 – 52 = . . .772 – 13 = . . .481 – 16 = . . . 617– 26 = . . .166 – 76 = . . .311 – 19 = . . .195 – 15 = . . .807 – 23 = . . .414 – 13 = . . .291 – 45 = . . .989 – 78 = . . .1 075 – 64 = . . .Exercice 74 : 1 min1 × 1 = . . . 2 × 3 = . . .6 × 2 = . . .3 × 1 = . . .9 × 5 = . . .4 × 3 = . . .5 × 2 = . . .1 × 7 = . . .8 × 3 = . . .3 × 5 = . . .9 × 2 = . . . 6 × 1 = . . .0 × 8 = . . .9 × 0 = . . .10 × 1 = . . .10 × 3 = . . .9 × 3 = . . .2 × 4 = . . .2 × 10 = . . .7 × 3 = . . .Exercice 75 : 1 min5 × 1 = . . . 3 × 9 = . . .4 × 6 = . . .9 × 2 = . . .9 × 1 = . . .4 × 4 = . . .5 × 4 = . . .7 × 4 = . . .8 × 4 = . . .2 × 7 = . . .3 × 8 = . . . 7 × 1 = . . .5 × 5 = . . .0 × 5 = . . .5 × 6 = . . .7 × 5 = . . .4 × 3 = . . .2 × 9 = . . .4 × 8 = . . .4 × 9 = . . .Exercice 76 : 1 min9 × 1 = . . . 6 × 3 = . . .8 × 2 = . . .3 × 3 = . . .9 × 5 = . . .4 × 6 = . . .5 × 5 = . . .5× 7 = . . .8 × 1 = . . .3 × 5 = . . .9 × 7 = . . . 6 × 7 = . . .8 × 8 = . . .9 × 9 = . . .10 × 1 = . . .10 × 5 = . . .9 × 3 = . . .2 × 7 = . . .7 × 10 = . . .7 × 7 = . . .Exercice 77 : 1 min7 × 1 = . . . 3 × 3 = . . .4 × 7 = . . .9 × 3 = . . .9 × 6 = . . .4 × 4 = . . .5 × 6 = . . .7 × 7 = . . .8 × 8 = . . .2 × 5 = . . .3 × 7 = . . . 7 × 6 = . . .9 × 8 = . . .10 × 9 = . . .10 × 6 = . . .7 × 5 = . . .4 × 3 = . . .2 × 9 = . . .4 × 8 = . . .4 × 9 = . . .Exercice 78 : 1 min7 × 2 = . . . 3 × 5 = . . .1 × 1 = . . .2 × 7 = . . .9 × 3 = . . .2 × 5 = . . .9 × 6 = . . .4 × 4 = . . .7 × 6 = . . .5 × 6 = . . .7 × 7 = . . .10 × 9 = . . .8 × 0 = . . .2 × 5 = . . .3 × 5 = . . .3 × 7 = . . . 7 × 6 = . . .6 × 7 = . . .9 × 2 = . . .10 × 0 = . . .9 × 9 = . . .10 × 6 = . . .7 × 5 = . . .3 × 7 = . . . 4 × 3 = . . .2 × 9 = . . .9 × 8 = . . .8 × 8 = . . .4 × 9 = . . .10 × 6 = . . .Exercice 79 : 1 min2 × 2 = . . . 3 × 1 = . . .7 × 1 = . . .10 × 7 = . . .1 × 5 = . . .5 × 5 = . . .4 × 6 = . . .4 × 5 = . . .3 × 6 = . . .5 × 10 = . . .7 × 0 = . . .10 × 10 = . . .8 × 5 = . . .2 × 9 = . . .3 × 3 = . . .6 × 7 = . . . 6 × 6 = . . .6 × 5 = . . .9 × 7 = . . .10 × 8 = . . .9 × 5 = . . .10 × 7 = . . .7 × 9 = . . .4 × 7 = . . . 4 × 3 = . . .3 × 2 = . . .9 × 5 = . . .8 × 2 = . . .4 × 2 = . . .10 × 1 = . . .Exercice 80 : 1 min4?: 1 = . . .12?: 3 = . . .10?: 1 = . . .9?: 3 = . . .9?: 1 = . . .21?: 3 = . . .6?: 1 = . . .15?: 3 = . . .3?: 1 = . . .27?: 3 = . . .4?: 2 = . . .32?: 4 = . . .12?: 2 = . . .24?: 4 = . . .20?: 2 = . . .16?: 4 = . . . 6?: 2 = . . .28?: 4 = . . .16?: 2 = . . .20?: 4 = . . .Exercice 81 : 1 min4?: 2 = . . .10?: 2 = . . .14?: 7 = . . .20?: 5 = . . .12?: 4 = . . .18?: 2 = . . .6?: 2 = . . .4?:1 = . . .32?: 8 = . . .28?: 4 = . . .24?: 6 = . . .81?: 9 = . . .12?: 3 = . . .27?: 9 = . . .27?: 3 = . . .15?: 5 = . . . 56?: 7 = . . .36?: 4 = . . .40?: 5 = . . .28?: 7 = . . .Exercice 82 : 1 min12?: 2 = . . . 14?: 2 = . . .15?: 3 = . . .50?: 5 = . . .24?: 8 = . . .30?: 5 = . . .54?: 6 = . . .16?: 4 = . . .18?: 9 = . . .21?: 7 = . . .49?: 7 = . . .40?: 5 = . . .25?: 5 = . . .32?: 4 = . . .28?: 4 = . . .35?: 5 = . . .42?: 6 = . . .81?: 9 = . . .6?: 2 = . . .10?: 2 = . . .54?: 9 = . . .36?: 6 = . . .27?: 3 = . . .15?: 5 = . . . 48?: 8 = . . .56?: 7 = . . .36?: 4 = . . .64?: 8 = . . .4?:1 = . . .48?: 6 = . . .Exercice 83 :1 + 1 = . . . 5 + 5 = . . .3 + 3 = . . .4 + 4 = . . .7 + 7 = . . .8 + 8 = . . .6 + 6 = . . .10 + 10 = . . .9 + 9 = . . .2 + 2 = . . .Exercice 84 :Le double de 3?: Le double de 6?:Le double de 12?: Le double de 7?:Le double de 20?: Le double de 8?:Le double de 25?: Le double de 9?:Le double de 5?: Le double de 10?:Exercice 85 :1 × 2 = . . . 5 × 2 = . . .3 × 2 = . . .4 × 2 = . . .7 × 2 = . . .8 × 2 = . . .6 × 2 = . . .10 × 2 = . . .9 × 2 = . . .2 × 2 = . . .Exercice 86 :10 + 10 = . . . 11 + 11 = . . .12 + 12 = . . .20 + 20 = . . .30 + 30 = . . .25 + 25 = . . .50 + 50 = . . .100 + 100 = . . .75 + 75 = . . .15 + 15 = . . .Exercice 87 :1 + 1 + 1 = . . . 5 + 5 + 5 = . . .3 + 3 + 3 = . . .4 + 4 + 4 = . . .7 + 7 + 7 = . . .8 + 8 + 8 = . . .6 + 6 + 6 = . . .10 + 10 + 10 = . . .9 + 9 + 9 = . . .2 + 2 + 2 = . . .Exercice 88 :Le triple de 9?: Le triple de 10?: Le triple de 20?: Le triple de 15?: Le triple de 5?: Le triple de 100?: Le triple de 50?: Le triple de 150?: Le triple de 40?: Le triple de 25?: Exercice 89 :8?: 2 = . . . 10?: 2 = . . .16?:2 = . . .14?: 2 = . . .20?: 2 = . . .30?: 2 = . . .40?: 2 = . . .50?: 2 = . . .24?: 2 = . . .100?: 2 = . . .Exercice 90 :La moitié de 18?: La moitié de 10?: La moitié de 20?: La moitié de 28?: La moitié de 60?: La moitié de 44?: La moitié de 500?: La moitié de 120?: La moitié de 400?: La moitié de 250?: Exercice 91 :Calcule la moitié des nombres suivants.128?: 468?:882?:Exercice 92 :Calcule la moitié des nombres suivants.1 028?: 490?:1?642?:Exercice 93 :Calcule la moitié des nombres suivants.5 018?: 4 730?:1?902?:Exercice 94 :Calcule la moitié des nombres suivants.14 774?: 41 090?:16?602?:Exercice?95 :9?: 3 = . . . 12?: 3?= . . .15?: 3 = . . .24?:3 = . . .60?: 3 = . . .33?: 3 = . . .45?: 3 = . . .99?: 3 = . . .300?: 3 = . . .63?: 3 = . . .Exercice 96 :Le tiers de 9 : Le tiers de 12?: Le tiers de 21?: Le tiers de 24?: Le tiers de 27?: Le tiers de 33?: Le tiers de 66?: Le tiers de 120?: Le tiers de 900?: Le tiers de 3 300?: Exercice 97 :Calcule le tiers des nombres suivants.639?: 972?:252?:Exercice 98 :Calcule le tiers des nombres suivants.3459?: 2?736?: 10 845?:Exercice 99 :Calcule le quart des nombres suivants.356?:496 : 1 012?:Exercice 100 :Calcule le quart des nombres suivants.628?: 1 456?: 8 256?:Exercice 101 :19 + . . . = 2036 + . . . = 4055 + . . . = 6078 + . . . = 8067 + . . . = 7083 + . . . = 9044 + . . . = 5024 + . . . = 3013 + . . . = 2049 + . . . = 50Exercice 102 :32 + . . . = 4066 + . . . = 7025 + . . . = 3088 + . . . = 9077 + . . . = 8093 + . . . = 10064 + . . . = 7027 + . . . = 3093 + . . . = 10099 + . . . = 100Exercice 103 :29 + . . . = 10016 + . . . = 10065 + . . . = 10038 + . . . = 10056 + . . . = 10028 + . . . = 100 46 + . . . = 10074 + . . . = 10083 + . . . = 10091 + . . . = 100Exercice 104 :13 + . . . = 10051 + . . . = 10044 + . . . = 10032 + . . . = 10077 + . . . = 10029 + . . . = 100 27 + . . . = 10070 + . . . = 10085 + . . . = 10071 + . . . = 100Exercice 105 :100 – 2 = . . . 100 – 5 = . . .100 – 6 = . . .100 – 7 = . . .100 – 9 = . . . 100 – 1 = . . .100 – 3 = . . . 100 – 8 = . . .100 – 4 = . . .100 – 10 = . . .Exercice 106 :100 – 20 = . . . 100 – 40 = . . .100 – 30 = . . .100 – 70 = . . .100 – 10 = . . . 100 – 90 = . . .100 – 50 = . . . 100 –100 = . . .100 – 60 = . . .100 – 80 = . . .Exercice 107 :100 – 24 = . . . 100 – 25 = . . .100 – 36 = . . .100 – 77 = . . .100 – 62 = . . . 100 – 11 = . . .100 – 58 = . . . 100 – 20 = . . .100 – 61 = . . .100 – 49 = . . .Exercice 108 :49 + . . . = 1 00062 + . . . = 1 00055 + . . . = 1 00083 + . . . = 1 00076 + . . . = 1 00021 + . . . = 1 00084 + . . . = 1 00052 + . . . = 1 00093 + . . . = 1 00075 + . . . = 1 000Exercice 109 :44 + . . . = 1 00066 + . . . = 1 00057 + . . . = 1 00081 + . . . = 1 00072 + . . . = 1 00023 + . . . = 1 00085 + . . . = 1 00050 + . . . = 1 00091 + . . . = 1 00079 + . . . = 1 000Exercice 110 :1 000 – 2 = . . . 1 000 – 5 = . . .1 000 – 6 = . . .1 000 – 7 = . . .1 000 – 9 = . . . 1 000 – 1 = . . .1 000 – 3 = . . . 1 000 – 8 = . . .1 000 – 4 = . . .1 000 – 10 = . . .Exercice 111 :1 000 – 74 = . . . 1 000 – 25 = . . .1 000 – 31 = . . .1 000 – 71 = . . .1 000 – 62 = . . . 1 000 – 13 = . . .1 000 – 98 = . . . 1 000 – 70 = . . .1 000 – 67 = . . .1 000 – 29 = . . .Exercice 112 :1 000 – 700 = . . . 1 000 – 200 = . . .1 000 – 100 = . . .1 000 – 500 = . . .1 000 – 900 = . . . 1 000 – 400 = . . .1 000 – 300 = . . . 1 000 – 600 = . . .1 000 – 800 = . . .1 000 – 1 000 = . . .Exercice 113 :400 + . . . = 1 000600 + . . . = 1 000500 + . . . = 1 000800 + . . . = 1 000250 + . . . = 1 000350 + . . . = 1 000450 + . . . = 1 000550 + . . . = 1 000950 + . . . = 1 000350 + . . . = 1 000Exercice 114 :425 + . . . = 1 000650 + . . . = 1 000575 + . . . = 1 000225 + . . . = 1 000125 + . . . = 1 000275 + . . . = 1 000775 + . . . = 1 000825 + . . . = 1 000375 + . . . = 1 000950 + . . . = 1 000Exercice 115 :429 + . . . = 1 000652 + . . . = 1 000555 + . . . = 1 000830 + . . . = 1 000226 + . . . = 1 000211 + . . . = 1 000484 + . . . = 1 000520 + . . . = 1 000913 + . . . = 1 000353 + . . . = 1 000Exercice 116 :433 + . . . = 1 000150 + . . . = 1 000205 + . . . = 1 000630 + . . . = 1 000246 + . . . = 1 000410 + . . . = 1 000666 + . . . = 1 000880 + . . . = 1 000119 + . . . = 1 000703 + . . . = 1 000Exercice 117 :1 × 10 = . . . 5 × 10 = . . .10 × 3 = . . .4 × 10 = . . .7 × 10 = . . .8 × 10 = . . .6 × 10 = . . .10 × 9 = . . .10 × 10 = . . .2 × 10 = . . .Exercice 118 :14 × 10 = . . . 51 × 10 = . . .10 × 23 = . . .45 × 10 = . . .71 × 10 = . . .81 × 10 = . . .66 × 10 = . . .10 × 94 = . . .10 × 29 = . . .47 × 10 = . . .Exercice 119 :25 × 10 = . . . 34 × 10 = . . .10 × 58 = . . .93 × 10 = . . .72 × 10 = . . .19 × 10 = . . .16 × 10 = . . .10 × 95 = . . .10 × 20 = . . .70 × 10 = . . .Exercice 120 :215 × 10 = . . . 124 × 10 = . . .10 × 508 = . . .993 × 10 = . . .212 × 10 = . . .549 × 10 = . . .266 × 10 = . . .10 × 275 = . . .10 × 290 = . . .577 × 10 = . . .Exercice 121 :2 615 × 10 = . . . 7 724 × 10 = . . .10 × 5 508 = . . .1 923 × 10 = . . .4 405 × 10 = . . .5 049 × 10 = . . .1 367 × 10 = . . .10 × 2775 = . . .10 × 2 990 = . . .5 606 × 10 = . . .Exercice 122 :1 × 100 = . . . 5 × 100 = . . .10 × 100 = . . .2 × 100 = . . .6 × 100 = . . .100 × 9 = . . .100 × 3 = . . .4 × 100 = . . .7 × 100 = . . .8 × 100 = . . .Exercice 123 :34 × 100 = . . . 71 × 100 = . . .100 × 13 = . . .65 × 100 = . . .99 × 100 = . . .52 × 100 = . . .86 × 100 = . . .100 × 94 = . . .100 × 29 = . . .47 × 100 = . . .Exercice 124 :15 × 100 = . . . 37 × 100 = . . .100 × 58 = . . .98 × 100 = . . .72 × 100 = . . .19 × 100 = . . .66 × 100 = . . .100 × 55 = . . .100 × 27 = . . .54 × 100 = . . .Exercice 125 :42 × 1000 = . . . 51 × 1000 = . . .1000 × 33 = . . .95 × 1000 = . . .29 × 1000 = . . .52 × 1000 = . . .76 × 1000 = . . .1000 × 84 = . . .1000 × 21 = . . .67 × 1000 = . . .Exercice 126 :725 × 100 = . . . 304 × 100 = . . .100 × 502 = . . .998 × 100 = . . .712 × 100 = . . .123 × 100 = . . .616 × 100 = . . .100 × 525 = . . .100 × 290 = . . .597 × 100 = . . .Exercice 127 :450?: 10 = . . . 330?: 10 = . . .910?: 10 = . . . 880?: 10 = . . .720?: 10 = . . .190?: 10 = . . .260?: 10 = . . .770?: 10 = . . . 380?: 10 = . . . 400?: 10 = . . . Exercice 128 :1 650?: 10 = . . . 3 630?: 10 = . . .4 110?: 10 = . . . 8 880?: 10 = . . .6 420 : 10 = . . .6 990 : 10 = . . .4 460 : 10 = . . .7 030?: 10 = . . . 3 420?: 10 = . . . 4 500?: 10 = . . . Exercice 129 :9 900?: 100 = . . . 36 600?: 100 = . . .1 200 : 100 = . . .2 500 : 100 = . . .4 400 : 100 = . . .9 700?: 100 = . . . 3 500?: 100 = . . . 4 000?: 100 = . . . 11 100?: 100 = . . . 80 000?: 100 = . . .Exercice 130 :12 000?: 100 = . . . 54 900?: 100 = . . .19 200 : 100 = . . .25 500 : 100 = . . .44 000 : 100 = . . .97 700?: 100 = . . . 30 500?: 100 = . . . 49 000?: 100 = . . . 110 100?: 100 = . . . 800 000?: 100 = . . .Exercice 131 :0,1 × 10 = . . . 0,5 × 10 = . . .10 × 0,3 = . . .0,4 × 10 = . . .0,7 × 10 = . . .0,8 × 10 = . . .1,6 × 10 = . . .10 × 1,9 = . . .10 × 1,7 = . . .2,5 × 10 = . . .Exercice 132 :4,3 × 10 = . . . 5,5 × 10 = . . .10 × 2,6 = . . .4,4 × 10 = . . .1,8 × 10 = . . .2,9 × 10 = . . .5,7 × 10 = . . .10 × 9,9 = . . .10 × 1,6 = . . .7,5 × 10 = . . .Exercice 133 :0,35 × 10 = . . . 1,25 × 10 = . . .10 × 0,06 = . . .3,24 × 10 = . . .1,08 × 10 = . . .2,99 × 10 = . . .5,75 × 10 = . . .10 × 0,19 = . . .10 × 1,65 = . . .7,05 × 10 = . . .Exercice 134 :0,25 × 10 = . . . 1,95 × 10 = . . .2,58 × 10 = . . .2,09 × 10 = . . .10 × 1,09 = . . .5,01 × 10 = . . .10 × 0,05 = . . .7,25 × 10 = . . .1,01 × 10 = . . .10,01 × 10 = . . .Exercice 135 :2,35 × 100 = . . . 5,5 × 100 = . . .100 × 2,06 = . . .4,14 × 100 = . . .1,88 × 100 = . . .0,99 × 100 = . . .5,75 × 100 = . . .100 × 9,9 = . . .100 × 1,66 = . . .7,25 × 100 = . . .Exercice 136 :0,005 × 100 = . . . 1,250 × 100 = . . .100 × 10,01 = . . .3,924 × 100 = . . .9,025 × 100 = . . .2,999 × 100 = . . .5,755 × 100 = . . .100 × 0,09 = . . .100 × 100,25 = . . .7,005 × 100 = . . .Exercice 137 :45?: 10 = . . . 38?: 10 = . . .91?: 10 = . . . 87?: 10 = . . .72 : 10 = . . .19 : 10 = . . .26 : 10 = . . .77?: 10 = . . . 3,1?: 10 = . . . 4,6?: 10 = . . . Exercice 138 :4,5?: 10 = . . . 2,5?: 10 = . . .0,1?: 10 = . . . 8,7?: 10 = . . .6,1 : 10 = . . .1,9 : 10 = . . .2,4 : 10 = . . .7,7?: 10 = . . . 1,3?: 10 = . . . 4,4?: 10 = . . . Exercice 139 :0,5?: 10 = . . . 0,55?: 10 = . . .0,11?: 10 = . . . 2,79?: 10 = . . .6,01 : 10 = . . .9,09 : 10 = . . .2,33 : 10 = . . .7,07?: 10 = . . . 5,63?: 10 = . . . 4,44?: 10 = . . . Exercice 140 :24,2?: 10 = . . . 13,25?: 10 = . . .90,81?: 10 = . . . 11,35?: 10 = . . .61,01 : 10 = . . .99,09 : 10 = . . .28,35 : 10 = . . .76,07?: 10 = . . . 59,65?: 10 = . . . 14,04?: 10 = . . . Exercice 141 :5,9?: 100 = . . . 3,2?: 100 = . . .9,4?: 100 = . . . 8,7?: 100 = . . .7,1 : 100 = . . .1,5 : 100 = . . .1,2 : 100 = . . .7,8?: 100 = . . . 8,7?: 100 = . . . 5,9?: 100 = . . . Exercice 142 :56,2?: 100 = . . . 10,3?: 100 = . . .1,44?: 100 = . . . 17,5?: 100 = . . .77,1 : 100 = . . .22,1 : 100 = . . .100,2 : 100 = . . .7,3?: 100 = . . . 25,4?: 100 = . . . 59,9?: 100 = . . . Exercice 143 :7 + 0,5 = . . . 6 + 0,3 = . . .26 + 0,4 = . . .47 + 0,2 = . . .34 + 0,1 = . . .50 + 0,25 = . . .81 + 0,75 = . . .96 + 0,44 = . . .28 + 0,08 = . . .53 + 0,67 = . . .Exercice 144 :0,2 + 0,5 = . . . 0,6 + 0,3 = . . .0,4 + 0,4 = . . .0,7 + 0,2 = . . .0,6 + 0,1 = . . .0,5 + 0,3 = . . .0,1 + 0,7 = . . .0,6 + 0,4 = . . .0,8 + 0,8 = . . .0,3 + 0,7 = . . .Exercice 145 :1,4 + 1,5 = . . . 2,6 + 1,8 = . . .2,4 + 1,7 = . . .0,7 + 7,2 = . . .1,6 + 5,1 = . . .5,5 + 7,3 = . . .1,1 + 9,7 = . . .6,6 + 3,4 = . . .9,8 + 0,8 = . . .1,5 + 0,7 = . . .Exercice 146 :7,2 + 0,5 = . . . 2,6 + 0,3 = . . .3,4 + 0,4 = . . .4,7 + 1,2 = . . .3,6 + 9,1 = . . .5,5 + 0,2 = . . .8,1 + 0,5 = . . .7,6 + 0,4 = . . .2,3 + 0,9 = . . .5,3 + 0,7 = . . .Exercice 147 :0,62 + 0,5 = . . . 0,26 + 0,4 = . . .0,55 + 0,4 = . . .0,7 + 0,21 = . . .0,65 + 0,21 = . . .0,05 + 0,3 = . . .0,13 + 0,7 = . . .0,66 + 0,2 = . . .0,8 + 0,88 = . . .0,82 + 0,17 = . . .Exercice 148 :1,24 + 3,5 = . . . 2,6 + 1,08 = . . .2,4 + 2,57 = . . .0,7 + 7,2 = . . .1,06 + 5,1 = . . .5,25 + 7,31 = . . .1,11 + 2,7 = . . .3,6 + 3,43 = . . .7,08 + 0,8 = . . .9,5 + 0,07 = . . .Exercice 149 :7,02 + 10,25 = . . . 4,11 + 0,08 = . . .6,49 + 0,04 = . . .7,7 + 30,03 = . . .16,6 + 9,11 = . . .9,55 + 0,52 = . . .8,91 + 0,7 = . . .7,6 + 0,54 = . . .0,81 + 1,8 = . . .5,7 + 6,75 = . . .Exercice 150 :0,065 + 0,15 = . . . 0,216 + 0,14 = . . .0,551 + 0,24 = . . .0,709 + 0,21 = . . .0,25 + 0,001 = . . .0,005 + 0,35 = . . .0,133 + 0,007 = . . .0,606 + 0,25 = . . .0,98 + 0,008 = . . .0,802 + 0,17 = . . .Exercice 151 :0,7 – 0,5 = . . . 0,6 – 0,3 = . . .0,5 – 0,4 = . . .0,7– 0,2 = . . .0,6 – 0,1 = . . .0,5 – 0,4 = . . .0,9 – 0,7 = . . .0,6 – 0,4 = . . .0,8 – 0,8 = . . .0,3 – 0,7 = . . .Exercice 152 :1,7 – 0,5 = . . . 3,6 – 1,5 = . . .2,4 – 1,3 = . . .3,7 – 2,2 = . . .5,6 – 2,1 = . . .5,6 – 3,3 = . . .9,7 – 1,2 = . . .6,6 – 5,4 = . . .9,8 – 0,8 = . . .1,9 – 0,7 = . . .Exercice 153 :7,2 – 0,5 = . . . 2,6 – 0,3 = . . .3,4 – 0,4 = . . .4,3 – 0,2 = . . .9,1 – 0,5 = . . .5,5 – 0,8 = . . .8,1 – 0,7 = . . .7,2 – 0,4 = . . .2,8 – 0,9 = . . .2,3 – 0,7 = . . .Exercice 154 :3,2 – 1,5 = . . . 4,2 – 1,5 = . . .6,6 – 1,5 = . . .8,3 – 1,8 = . . .2,1 – 1,9 = . . .5,7 – 2,9 = . . .7,1 – 2,7 = . . .8,2 – 3,3 = . . .2,5 – 0,6 = . . .9,3 – 5,7 = . . .Exercice 155 :0,73 – 0,25 = . . . 0,16 – 0,03 = . . .0,25 – 0,14 = . . .0,57– 0,29 = . . .0,66 – 0,51 = . . .0,45 – 0,24 = . . .0,94 – 0,57 = . . .0,61 – 0,4 = . . .0,88 – 0,8 = . . .0,38 – 0,17 = . . .Exercice 156 :4,28 – 0,25 = . . . 2,56 – 0,33 = . . .13,4 – 9,41 = . . .4,43 – 0,22 = . . .9,11 – 0,05 = . . .5,15 – 0,8 = . . .8,71 – 0,7 = . . .7,12 – 0,04 = . . .2,28 – 0,9 = . . .2,39 – 0,27 = . . .Exercice 157?:Ecris avec le quotient et le reste comme l’exemple?:46?: 5 46 = 9 x 5 + 133?: 4 33 = 29?: 3 29 =43?: 5 43 =46?: 6 46 =29?: 6 29 =Exercice 158?:Ecris avec le quotient et le reste comme l’exemple?:46?: 5 46 = 9 x 5 + 133?: 5 33 = 49?: 6 49 =55?: 6 55 =37?: 7 37 =44?: 7 44 =Exercice 159 :Ecris avec le quotient et le reste comme l’exemple?:46?: 5 46 = 9 x 5 + 154?: 6 54 = 64?: 7 64 =56?: 7 56 =37?: 8 37 =43?: 8 43 =Exercice 160 :Ecris avec le quotient et le reste comme l’exemple?:46?: 5 46 = 9 x 5 + 159?: 7 59 = 65?: 8 65 =82?: 9 82 =64?: 9 64 =75?: 9 75 =Exercice 161 :Ecris 5 multiples des nombres suivants?:4?: ___?; ___?; ___?; ___?; ___ 5?: ___?; ___?; ___?; ___?; ___ 7?: ___?; ___?; ___?; ___?; ___ 3?: ___?; ___?; ___?; ___?; ___ Exercice 162 :Ecris 5 multiples des nombres suivants?:7?: ___?; ___?; ___?; ___?; ___ 8?: ___?; ___?; ___?; ___?; ___ 9?: ___?; ___?; ___?; ___?; ___ 10?: ___?; ___?; ___?; ___?; ___ Exercice 163 :Ecris 5 multiples des nombres suivants?:12?: ___?; ___?; ___?; ___?; ___ 15?: ___?; ___?; ___?; ___?; ___ 20?: ___?; ___?; ___?; ___?; ___ 25?: ___?; ___?; ___?; ___?; ___ Exercice 164 :Ecris 5 multiples des nombres suivants?:12?: ___?; ___?; ___?; ___?; ___ 15?: ___?; ___?; ___?; ___?; ___ 20?: ___?; ___?; ___?; ___?; ___ 25?: ___?; ___?; ___?; ___?; ___ Exercice 165 :Colorie tous les multiples de 2 parmi les nombres suivants?:25710141519202124303638404448535558606567686970758490100120Exercice 166 :Colorie tous les multiples de 3 parmi les nombres suivants?:3571014151920212430363840444853555860656768697075849099120Exercice 167 :Colorie tous les multiples de 5 parmi les nombres suivants?:35710141519202124303638404448535558606567686970758490100120Exercice 168 :Colorie tous les multiples de 10 parmi les nombres suivants?:35710141519202124303638404448535558606567686970758490100120Exercice 169 :Colorie tous les multiples de 4 parmi les nombres suivants?:24810121516202124303638404448535558606567686970808490100400Exercice 170 :Les nombres suivants sont-ils multiples de 2?? Explique pourquoi.12?338?: 13?907?:35?904?: Exercice 171 :Les nombres suivants sont-ils multiples de 3?? Explique pourquoi.12?330?: 23?857?:55?902?: Exercice 172 :Les nombres suivants sont-ils multiples de 3?? Explique pourquoi.42?370?: 63?806?:75?100?: Exercice 173 :Les nombres suivants sont-ils multiples de 9?? Explique pourquoi.42?225?: 12 285?:47 106?: Exercice 174 :Les nombres suivants sont-ils multiples de 10?? Explique pourquoi.42?220?: 126 285?:547 100?: Exercice 175 :Ecris la liste des diviseurs de 48?: Exercice 176 :Ecris la liste des diviseurs de 150?: Exercice 177 :53 + 19 = . . . 22 + 19 = . . .24 + 19 = . . .48 + 19 = . . .71 + 19 = . . .75 + 19 = . . .82 + 19 = . . .99 + 19 = . . .43 + 19 = . . .94 + 19 = . . .Exercice 178 :122 + 19 = . . . 103 + 19 = . . .244 + 19 = . . .477 + 19 = . . .101 + 19 = . . .755 + 19 = . . .882 + 19 = . . .909 + 19 = . . .763 + 19 = . . .134 + 19 = . . .Exercice 179 :63 – 19 = . . . 29 – 19 = . . .44 – 19 = . . .57 – 19 = . . .81 – 19 = . . .72 – 19 = . . .32 – 19 = . . .89 – 19 = . . .53 – 19 = . . .95 – 19 = . . .Exercice 180 :152 – 19 = . . . 133 – 19 = . . .174 – 19 = . . .457 – 19 = . . .121 – 19 = . . .775 – 19 = . . .842 – 19 = . . .929 – 19 = . . .773 – 19 = . . .334 – 19 = . . .Exercice 181 :5 × 11 = . . . 6 × 11 = . . .8 × 11 = . . .14 × 11 = . . .15 × 11 = . . .17 × 11 = . . .19 × 11 = . . .32 × 11 = . . .37 × 11 = . . .41 × 11 = . . .Exercice 182 :25 × 11 = . . . 35 × 11 = . . .47 × 11 = . . .55 × 11 = . . .68 × 11 = . . .71 × 11 = . . .74 × 11 = . . .32 × 11 = . . .82 × 11 = . . .94 × 11 = . . .Exercice 183 :5 × 99 = . . . 6 × 99 = . . .8 × 99 = . . .14 × 99 = . . .17 × 99 = . . .18 × 99 = . . .26 × 99 = . . .30 × 99 = . . .33 × 99 = . . .27 × 99 = . . .Exercice 184 :25 × 99 = . . . 36 × 99 = . . .48 × 99 = . . .54 × 99 = . . .67 × 99 = . . .68 × 99 = . . .76 × 99 = . . .90 × 99 = . . .83 × 99 = . . .94 × 99 = . . .Exercice 185 :5 × 101 = . . . 6 × 101 = . . .8 × 101 = . . .14 × 101 = . . .17 × 101 = . . .18 × 101 = . . .26 × 101 = . . .30 × 101 = . . .33 × 101 = . . .27 × 101 = . . .Exercice 186 :25 × 101 = . . . 36 × 101 = . . .48 × 101 = . . .54 × 101 = . . .67 × 101 = . . .68 × 101 = . . .76 × 101 = . . .90 × 101 = . . .83 × 101 = . . .94 × 101 = . . .Exercice 187 :0,1 × 20 = . . . 1,2 × 20 = . . .20 × 0,6 = . . .0,2 × 20 = . . .1,3 × 20 = . . .2,7 × 20 = . . .5,4 × 20 = . . .20 × 0,9 = . . .20 × 1,3 = . . .1,7 × 20 = . . .Exercice 188 :10,5 × 20 = . . . 1,75 × 20 = . . .20 × 0,99 = . . .7,75 × 20 = . . .20 × 0,63 = . . .10,05 × 20 = . . .5,15 × 20 = . . .33,25 × 20 = . . .20 × 5,35 = . . .1,98 × 20 = . . .Exercice 189 :0,25 × 20 = . . . 1,25 × 20 = . . .20 × 0,06 = . . .3,2 × 20 = . . .1,8 × 20 = . . .2,75 × 20 = . . .5,5 × 20 = . . .20 × 0,19 = . . .20 × 5,3 = . . .7,5 × 20 = . . .Exercice 190 :2,25 × 20 = . . . 3,25 × 20 = . . .20 × 0,55 = . . .5,2 × 20 = . . .3,8 × 20 = . . .4,15 × 20 = . . .5,25 × 20 = . . .20 × 0,32 = . . .20 × 5,45 = . . .9,35 × 20 = . . .Exercice 191 :4 × 25 = . . . 12 × 25 = . . .25 × 26 = . . .32 × 25 = . . .18 × 25 = . . .27 × 25 = . . .44 × 25 = . . .25 × 50 = . . .25 × 60 = . . .80 × 25 = . . .Exercice 192 :1,2 × 25 = . . . 0,4 × 25 = . . .25 × 1,6 = . . .3,2 × 25 = . . .2,8 × 25 = . . .3,6 × 25 = . . .4,4 × 25 = . . .25 × 4,8 = . . .25 × 6,08 = . . .88,8 × 25 = . . .Exercice 193?: Calcule en associant les nombres de fa?on astucieuse.15 + 8 + 15 + 8 = 24 + 10 + 6 + 10 = Exercice 194?: Calcule en associant les nombres de fa?on astucieuse.74 + 13 + 26 + 17 = 35 + 13 + 5 + 52 =Exercice 195?: Calcule en associant les nombres de fa?on astucieuse.77 + 19 + 101 + 23 = 85 + 18 + 12 + 15 + 50 =Exercice 196?: Calcule en associant les nombres de fa?on astucieuse.72 + 24 + 11 + 38 + 55 = 183 + 48 + 12 + 105 + 52 =Exercice 197?: 4 min………………………………………111712141513Exercice 198?: 4 min………………………………………102713141212Exercice 199?: 3 min5728…15……9………6…………5……………Exercice 200 : 3 min56…32……20………14…………11……………10 ................
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