Number bonds to 20
1st grade (Year 2 in England) · 16 questions · Common Core: 1.OA.C.6 · England: Y1 Addition and subtraction
Name
Date
Score/ 16
Question 1
5 + 5 = 10. So 5 + __ = 20
Answer
Question 2
10 + __ = 20
Answer
Question 3
A game needs 20 counters. Felix has 9. How many more counters does Felix need?
Answer
Question 4
2 + 8 = 10. So 2 + __ = 20
Answer
Question 5
17 + __ = 20
Answer
Question 6
A game needs 20 counters. Amara has 6. How many more counters does Amara need?
Answer
Question 7
7 + 3 = 10. So 7 + __ = 20
Answer
Question 8
11 + __ = 20
Answer
Question 9
A game needs 20 counters. Mateo has 8. How many more counters does Mateo need?
Answer
Question 10
5 + 5 = 10. So 5 + __ = 20
Answer
Question 11
16 + __ = 20
Answer
Question 12
A game needs 20 counters. Leo has 9. How many more counters does Leo need?
Answer
Question 13
8 + 2 = 10. So 8 + __ = 20
Answer
Question 14
19 + __ = 20
Answer
Question 15
A game needs 20 counters. Zara has 12. How many more counters does Zara need?
Answer
Question 16
6 + 4 = 10. So 6 + __ = 20
Answer
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