Number Bonds to 20 Worksheet (Free Printable)
A free printable number bonds to 20 worksheet with 30 questions and an answer key, for Year 1 and Year 2. Print it, make a new set of questions, or practise online with Number Bonds.
Number bonds to 20Name: ____________________Date: ____________Score: ____ / 30
- 11 + ___ = 20
- ___ + 2 = 20
- 20 − 12 =
- 20 − 1 =
- ___ + 6 = 20
- 20 − 19 =
- 20 − 17 =
- 20 − 18 =
- 20 − 9 =
- 20 − 13 =
- 20 − 14 =
- ___ + 10 = 20
- 20 − 16 =
- ___ + 4 = 20
- 20 − 4 =
- 20 − 13 =
- 17 + ___ = 20
- 18 + ___ = 20
- 20 − 15 =
- 20 − 12 =
- 20 − 14 =
- 18 + ___ = 20
- 20 − 1 =
- ___ + 16 = 20
- ___ + 1 = 20
- ___ + 14 = 20
- 16 + ___ = 20
- ___ + 1 = 20
- 20 − 19 =
- ___ + 4 = 20
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Tip
Number bonds are pairs that make 20. If you know 3 + 7 = 10, you also know 7 + 3 = 10, 10 − 3 = 7 and 13 + 7 = 20.