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Number Bonds Practice

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Number Bonds Practice worksheet preview

Number Bonds Practice

Numbers and addition symbols

🔢 Part 1: Number Bonds to 20

1. Fill in the missing numbers to make 20:

a) 12 + _____ = 20

b) _____ + 7 = 20

c) 15 + _____ = 20

d) _____ + 9 = 20

2. Circle the correct answer for each number bond to 20:

8 + ? = 20

12

11

13

6 + ? = 20

15

14

16

3. Complete these number bonds to 20:
11 + ____
16 + ____
3 + ____
14 + ____
= 20
= 20
= 20
= 20

💯 Part 2: Number Bonds to 100

4. Fill in the missing numbers to make 100:

a) 30 + _____ = 100

b) _____ + 20 = 100

c) 60 + _____ = 100

d) _____ + 50 = 100

5. Circle the correct number bond to 100:

40 + ? = 100

50

60

70

6. Word Problem: Sarah has 30 stickers. How many more stickers does she need to have 100 stickers altogether?
7. Word Problem: Tom collected 70 conkers. His friend gave him some more conkers so that he had 100 conkers in total. How many conkers did his friend give him?

🌟 Part 3: Challenge Questions

8. Can you find THREE different number bonds to 20? Write them below:

_____ + _____ = 20

_____ + _____ = 20

_____ + _____ = 20

9. Complete this number pattern:

10 + 90 = 100

20 + _____ = 100

30 + _____ = 100

40 + _____ = 100

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