Common Core 1.OA.B.4 worksheet
1st grade (Year 2 in England) · 16 questions · Common Core: 1.OA.B.4, 1.OA.C.6 · England: Y1 Addition and subtraction, Y2 Addition and subtraction
Name
Date
Score/ 16
Question 1
A fact family uses 7, 3 and one more number. Two facts are 7 + 3 = ? and ? − 3 = 7. What is the missing number?
Answer
Question 2
Which fact belongs to the same family as 6 + 9 = 15?
- A. 7 + 9 = 16
- B. 15 − 6 = 9
- C. 15 + 6 = 21
- D. 15 − 6 = 10
Question 3
7 + 9 = 16 is in a fact family. Complete another fact: 16 − 7 = __
Answer
Question 4
To work out 13 − 6, think: 6 + __ = 13
Answer
Question 5
Which addition helps you work out 8 − 4?
- A. 8 + 4 = 12
- B. 4 + 8 = 12
- C. 4 + 4 = 8
Question 6
3 + 4 = 7. Use this to find 7 − 3.
Answer
Question 7
A fact family uses 4, 5 and one more number. Two facts are 4 + 5 = ? and ? − 5 = 4. What is the missing number?
Answer
Question 8
Which fact belongs to the same family as 9 + 3 = 12?
- A. 12 − 9 = 3
- B. 12 − 9 = 4
- C. 10 + 3 = 13
- D. 12 + 9 = 21
Question 9
10 + 8 = 18 is in a fact family. Complete another fact: 18 − 8 = __
Answer
Question 10
To work out 7 − 3, think: 3 + __ = 7
Answer
Question 11
Which addition helps you work out 10 − 4?
- A. 4 + 6 = 10
- B. 6 + 10 = 16
- C. 4 + 4 = 8
- D. 10 + 4 = 14
Question 12
9 + 7 = 16. Use this to find 16 − 9.
Answer
Question 13
A fact family uses 4, 6 and one more number. Two facts are 4 + 6 = ? and ? − 6 = 4. What is the missing number?
Answer
Question 14
Which fact belongs to the same family as 4 + 2 = 6?
- A. 6 − 4 = 3
- B. 5 + 2 = 7
- C. 6 + 4 = 10
- D. 6 − 4 = 2
Question 15
3 + 4 = 7 is in a fact family. Complete another fact: 7 − 3 = __
Answer
Question 16
To work out 11 − 4, think: 4 + __ = 11
Answer
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