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Fact Families
When  addition and subtraction facts are  related   we say they  belong to the same Fact Family
Three  numbers can be used to make  two addition  facts.
The  biggest  number is always on the bottom when you add!
The same  three  numbers can be used to make  two subtraction  facts
The  biggest  number is always on the top when you subtract!
Remember you can only use  three  numbers. _____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - ___...
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 3 2 5 5 3 2 2 3 5 Addition Facts
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 3 2 5 5 3 2 2 3 5 Subtraction Fa...
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 3 2 5 5 3 2 2 3 5 2 2 5 5 3 3 Fa...
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 6 1 7 Fact Family
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 6 1 7 7 6 1 6 1 7 Fact Family
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 6 1 7 Fact Family
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 6 1 7 6 6 7 7 1 1 Fact Family
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 2 6 4 Fact Family
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 2 4 6 6 2 4 2 6 4 Fact Family
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 2 6 4 Fact Family
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 2 6 4 4 4 6 6 2 2 Fact Family
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 8 5 3 Fact Family
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 3 5 8 8 3 5 8 5 3 5 5 8 8 3 3 Fa...
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 5 4 9 Fact Family
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 4 5 9 9 4 5 5 4 9 5 5 9 9 4 4 Fa...
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 7 3 4 Fact Family
_____ + _____ = _____  _____ - _____ = _____ _____ + _____ = _____  _____ - _____ = _____ 3 4 7 7 3 4 7 3 4 4 4 7 7 3 3 Fa...
Which one does not belong to the family? 6 9 3 <ul><li>6 + 3 = 9 </li></ul><ul><li>B.  3 + 5 = 8 </li></ul><ul><li>C.  9 –...
6 9 3 <ul><li>6 + 3 = 9 </li></ul><ul><li>B.  3 + 5 = 8 </li></ul><ul><li>C.  9 – 3 = 6 </li></ul>
Which one does not belong to the family? 3 4 1 <ul><li>3 + 1 = 4 </li></ul><ul><li>B.  4 - 1 = 3 </li></ul><ul><li>C.  4 –...
3 4 1 <ul><li>3 + 1 = 4 </li></ul><ul><li>B.  4 - 1 = 3 </li></ul><ul><li>C.  4 – 2 = 2 </li></ul>
Which one does not belong to the family? 9 2 7 <ul><li>9 - 7 = 2 </li></ul><ul><li>B.  7 - 5 = 2 </li></ul><ul><li>C.  7 +...
<ul><li>9 - 7 = 2 </li></ul><ul><li>B.  7 - 5 = 2 </li></ul><ul><li>C.  7 + 2 = 9 </li></ul>9 2 7
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Fact Family

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Fact Family

  1. 1. Fact Families
  2. 2. When addition and subtraction facts are related we say they belong to the same Fact Family
  3. 3. Three numbers can be used to make two addition facts.
  4. 4. The biggest number is always on the bottom when you add!
  5. 5. The same three numbers can be used to make two subtraction facts
  6. 6. The biggest number is always on the top when you subtract!
  7. 7. Remember you can only use three numbers. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 3 5 2 Fact Families
  8. 8. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 3 2 5 5 3 2 2 3 5 Addition Facts
  9. 9. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 3 2 5 5 3 2 2 3 5 Subtraction Facts
  10. 10. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 3 2 5 5 3 2 2 3 5 2 2 5 5 3 3 Fact Family
  11. 11. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 6 1 7 Fact Family
  12. 12. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 6 1 7 7 6 1 6 1 7 Fact Family
  13. 13. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 6 1 7 Fact Family
  14. 14. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 6 1 7 6 6 7 7 1 1 Fact Family
  15. 15. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 2 6 4 Fact Family
  16. 16. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 2 4 6 6 2 4 2 6 4 Fact Family
  17. 17. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 2 6 4 Fact Family
  18. 18. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 2 6 4 4 4 6 6 2 2 Fact Family
  19. 19. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 8 5 3 Fact Family
  20. 20. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 3 5 8 8 3 5 8 5 3 5 5 8 8 3 3 Fact Family
  21. 21. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 5 4 9 Fact Family
  22. 22. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 4 5 9 9 4 5 5 4 9 5 5 9 9 4 4 Fact Family
  23. 23. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 7 3 4 Fact Family
  24. 24. _____ + _____ = _____ _____ - _____ = _____ _____ + _____ = _____ _____ - _____ = _____ 3 4 7 7 3 4 7 3 4 4 4 7 7 3 3 Fact Family
  25. 25. Which one does not belong to the family? 6 9 3 <ul><li>6 + 3 = 9 </li></ul><ul><li>B. 3 + 5 = 8 </li></ul><ul><li>C. 9 – 3 = 6 </li></ul>
  26. 26. 6 9 3 <ul><li>6 + 3 = 9 </li></ul><ul><li>B. 3 + 5 = 8 </li></ul><ul><li>C. 9 – 3 = 6 </li></ul>
  27. 27. Which one does not belong to the family? 3 4 1 <ul><li>3 + 1 = 4 </li></ul><ul><li>B. 4 - 1 = 3 </li></ul><ul><li>C. 4 – 2 = 2 </li></ul>
  28. 28. 3 4 1 <ul><li>3 + 1 = 4 </li></ul><ul><li>B. 4 - 1 = 3 </li></ul><ul><li>C. 4 – 2 = 2 </li></ul>
  29. 29. Which one does not belong to the family? 9 2 7 <ul><li>9 - 7 = 2 </li></ul><ul><li>B. 7 - 5 = 2 </li></ul><ul><li>C. 7 + 2 = 9 </li></ul>
  30. 30. <ul><li>9 - 7 = 2 </li></ul><ul><li>B. 7 - 5 = 2 </li></ul><ul><li>C. 7 + 2 = 9 </li></ul>9 2 7

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