PDF Y4 Addition and Subtraction - MathSphere Maths Worksheets
MATHEMATICS
Y4 Addition and Subtraction
4260 Use known number facts and place value
to add or subtract
Paper, pencil, ruler Number cards Stop clock
Equipment
MathSphere
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4260 Use known number facts and place value to add or subtract
? MathSphere
mathsphere.co.uk
Page 2
Concepts
In year 4 children are expected to be able to calculate mentally using a variety of methods. They are also expected to explain their methods, both orally and in writing.
The main skills involved are:
a. adding a single digit to a three or four digit number, crossing the tens boundary e.g. 365 + 8 =
b. subtracting a single digit from a three or four digit number, crossing the tens boundary
e.g. 363 - 7 =
c. subtracting a single digit from a whole 100 or 1 000
e.g. 1 000 - 7 =
d. find the difference between two numbers which are close to a whole thousand, but either side of it
e.g. 3 005 - 2 998 =
e. find what needs to be added to a whole hundreds number to make it up to the next thousand
e.g. 4 500 +
= 5 000
f. add or subtract any pair of two digit numbers e.g. 36 + 46 = or 87 - 27 =
All methods used must be explained by the child, in words and writing.
4260 Use known number facts and place value to add or subtract
? MathSphere
mathsphere.co.uk
Adding a single digit
Page 3
Write the answers down to the sums below as quickly as you can - do not do any working out on paper.
1. 437 + 4 = 5. 348 + 5 = 9. 183 + 9 = 13. 357 + 5 = 17. 9 + 349 =
2. 528 + 3 = 6. 139 + 2 = 10. 242 + 9 = 14. 712 + 8 = 18. 8 + 487 =
3. 735 + 6 = 7. 685 + 7 = 11. 168 + 4 = 15. 6 + 317 = 19. 3 + 199 =
4. 243 + 9 = 8. 816 + 8 = 12. 534 + 7 = 16. 5 + 326 = 20. 4 + 297 =
Work out mentally the answers to the next set of sums. Next to each one write down the method you used to do it.
e.g. 538 + 6 =
21. 279 + 5 = 22. 538 + 8 = 23. 175 + 6 = 24. 429 + 8 = 25. 377 + 6 =
I added two to make 40 then counted on four more to make 544 Explain:
Explain:
Explain:
Explain:
Explain:
4260 Use known number facts and place value to add or subtract
? MathSphere
mathsphere.co.uk
Adding a single digit
In your head, as fast as you can, answers only! Go! Go! Go!
Page 4
1. 527 + 5 = 5. 218 + 5 = 9. 276 + 9 = 13. 735 + 5 = 17. 9 + 666 =
2. 617 + 4 = 6. 149 + 2 = 10. 151 + 9 = 14. 807 + 8 = 18. 8 + 777 =
3. 146 + 6 = 7. 383 + 7 = 11. 248 + 4 = 15. 6 + 184 = 19. 3 + 888 =
4. 162 + 9 = 8. 619 + 8 = 12. 814 + 7 = 16. 5 + 227 = 20. 4 + 789 =
Work out mentally the answers to the next set of sums. Next to each one write down the method you used to do it.
e.g. 187 + 6 = 21. 178 + 5 = 22. 388 + 9 = 23. 717 + 6 = 24. 545 + 8 = 25. 808 + 6 =
I added three to make 190 then counted on three more to 193 Explain: Explain: Explain: Explain: Explain:
4260 Use known number facts and place value to add or subtract
? MathSphere
mathsphere.co.uk
Page 5
Complete these questions by putting the correct number in the boxes.
1. 417 + 7 =
2. 537 + 6 =
3. 183 +
= 190
4. 584 +
= 593
5.
+ 6 = 344
6.
+ 4 = 172
7. 8 +
= 460
8. 5 +
= 212
9. 329 + 6 =
10. 588 + 4 =
Work out the next five answers. Write down how you did them.
11. 263 + 12. 725 +
Explain: = 271
Explain: = 733
I counted on 7 up to 270 and then added one more making plus 8.
Explain:
13.
+ 5 = 611
Explain:
14.
+ 8 = 540
15. 533 + 8 =
Explain:
................
................
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