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Fact families within 20

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

  1. Question 1

    A fact family uses 9, 6 and one more number. Two facts are 9 + 6 = ? and ? − 6 = 9. What is the missing number?

    Answer

  2. Question 2

    5 + 9 = 14 is in a fact family. Complete another fact: 14 − 5 = __

    Answer

  3. Question 3

    Which fact belongs to the same family as 8 + 10 = 18?

    • A. 9 + 10 = 19
    • B. 18 − 8 = 10
    • C. 18 − 8 = 11
    • D. 18 + 8 = 26

  4. Question 4

    A fact family uses 9, 7 and one more number. Two facts are 9 + 7 = ? and ? − 7 = 9. What is the missing number?

    Answer

  5. Question 5

    2 + 4 = 6 is in a fact family. Complete another fact: 4 + 2 = __

    Answer

  6. Question 6

    Which fact belongs to the same family as 4 + 10 = 14?

    • A. 14 + 4 = 18
    • B. 5 + 10 = 15
    • C. 14 − 4 = 11
    • D. 14 − 4 = 10

  7. Question 7

    A fact family uses 5, 4 and one more number. Two facts are 5 + 4 = ? and ? − 4 = 5. What is the missing number?

    Answer

  8. Question 8

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

    Answer

  9. Question 9

    Which fact belongs to the same family as 5 + 9 = 14?

    • A. 14 + 5 = 19
    • B. 6 + 9 = 15
    • C. 14 − 5 = 10
    • D. 14 − 5 = 9

  10. Question 10

    A fact family uses 7, 9 and one more number. Two facts are 7 + 9 = ? and ? − 9 = 7. What is the missing number?

    Answer

  11. Question 11

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

    Answer

  12. Question 12

    Which fact belongs to the same family as 7 + 10 = 17?

    • A. 8 + 10 = 18
    • B. 17 − 7 = 11
    • C. 17 − 7 = 10
    • D. 17 + 7 = 24

  13. Question 13

    A fact family uses 4, 5 and one more number. Two facts are 4 + 5 = ? and ? − 5 = 4. What is the missing number?

    Answer

  14. Question 14

    2 + 4 = 6 is in a fact family. Complete another fact: 4 + 2 = __

    Answer

  15. Question 15

    Which fact belongs to the same family as 2 + 4 = 6?

    • A. 6 − 2 = 5
    • B. 6 − 2 = 4
    • C. 3 + 4 = 7
    • D. 6 + 2 = 8

  16. Question 16

    A fact family uses 9, 7 and one more number. Two facts are 9 + 7 = ? and ? − 7 = 9. What is the missing number?

    Answer

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  1. 15
  2. 9
  3. 18 − 8 = 10
  4. 16
  5. 6
  6. 14 − 4 = 10
  7. 9
  8. 11
  9. 14 − 5 = 9
  10. 16
  11. 4
  12. 17 − 7 = 10
  13. 9
  14. 6
  15. 6 − 2 = 4
  16. 16