Number bonds to 20
Find the missing part that makes 20. Pairs with the bonds to 20 lesson.
A · Make 20
- 14 + = 20
- + 5 = 20
- 20 = 8 +
- 13 + = 20
- 11 + = 20
- + 16 = 20
B · Bonds work backwards (subtraction)
- 20 − 7 =
- 20 − 13 =
- 20 − 6 =
- 20 − 9 =
C · One step more
- James has 20 stickers. He gives 12 away. How many are left?
- Write your own bond to 20: + = 20
Answers (fold under).
A: 1) 6 2) 15 3) 12 4) 7 5) 9 6) 4.
| B: 7) 13 8) 7 9) 14 10) 11.
| C: 11) 8 12) any pair making 20.