Fact families within 20

Question 1

8 + 3 = 11 is in a fact family. Complete another fact: 11 − 3 = __

Answer 

Question 2

Which fact belongs to the same family as 8 + 5 = 13?

• A. 13 − 8 = 6
• B. 9 + 5 = 14
• C. 13 − 8 = 5
• D. 13 + 8 = 21

Question 3

A fact family uses 6, 4 and one more number. Two facts are 6 + 4 = ? and ? − 4 = 6. What is the missing number?

Answer 

Question 4

10 + 4 = 14 is in a fact family. Complete another fact: 14 − 10 = __

Answer 

Question 5

Which fact belongs to the same family as 5 + 2 = 7?

• A. 7 − 5 = 3
• B. 6 + 2 = 8
• C. 7 + 5 = 12
• D. 7 − 5 = 2

Question 6

A fact family uses 4, 7 and one more number. Two facts are 4 + 7 = ? and ? − 7 = 4. What is the missing number?

Answer 

Question 7

4 + 3 = 7 is in a fact family. Complete another fact: 7 − 4 = __

Answer 

Question 8

Which fact belongs to the same family as 8 + 7 = 15?

• A. 15 + 8 = 23
• B. 15 − 8 = 8
• C. 15 − 8 = 7
• D. 9 + 7 = 16

Question 9

A fact family uses 5, 7 and one more number. Two facts are 5 + 7 = ? and ? − 7 = 5. What is the missing number?

Answer 

Question 10

10 + 9 = 19 is in a fact family. Complete another fact: 19 − 10 = __

Answer 

Question 11

Which fact belongs to the same family as 9 + 2 = 11?

• A. 10 + 2 = 12
• B. 11 − 9 = 2
• C. 11 + 9 = 20
• D. 11 − 9 = 3

Question 12

A fact family uses 3, 6 and one more number. Two facts are 3 + 6 = ? and ? − 6 = 3. What is the missing number?

Answer 

Question 13

8 + 6 = 14 is in a fact family. Complete another fact: 14 − 6 = __

Answer 

Question 14

Which fact belongs to the same family as 4 + 8 = 12?

• A. 12 − 4 = 8
• B. 12 + 4 = 16
• C. 12 − 4 = 9
• D. 5 + 8 = 13

Question 15

A fact family uses 5, 8 and one more number. Two facts are 5 + 8 = ? and ? − 8 = 5. What is the missing number?

Answer 

Question 16

2 + 5 = 7 is in a fact family. Complete another fact: 7 − 2 = __

Answer