Number Bonds to 20 - Free Printable Mental Maths ...

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Free Printable Mental Arithmetic Worksheets for Children Aged 4-11

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Number Bonds to 20

Worksheet Number 1

Name: ___________________________

4 + ___ = 20 (1)

___ + 15 = 20 (11)

12 + ___ = 20 (21)

13 + ___ = 20 (2)

5 + ___ = 20 (12)

17 + ___ = 20 (22)

___ + 16 = 20 (3)

19 + ___ = 20 (13)

8 + ___ = 20 (23)

___ + 12 = 20 (4)

20 + ___ = 20 (14)

1 + ___ = 20 (24)

19 + ___ = 20 (5)

18 + ___ = 20 (15)

17 + ___ = 20 (25)

___ + 1 = 20 (6)

___ + 15 = 20 (16)

18 + ___ = 20 (26)

15 + ___ = 20 (7)

___ + 16 = 20 (17)

___ + 11 = 20 (27)

___ + 5 = 20 (8)

___ + 20 = 20 (18)

12 + ___ = 20 (28)

14 + ___ = 20 (9)

___ + 18 = 20 (19)

___ + 7 = 20 (29)

16 + ___ = 20 (10)

___ + 7 = 20 (20)

7 + ___ = 20 (30)

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