medium Set 67 Form Exercise

Write the fact family for 15, 6, 21:

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Answer: 15 + 6 = 21; 6 + 15 = 21; 21 - 15 = 6; 21 - 6 = 15

SubType
fact-family
Facts
  • 15 + 6 = 21
  • 6 + 15 = 21
  • 21 - 15 = 6
  • 21 - 6 = 15
Difficulty
normal

Write the fact family for 8, 14, 22:

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Answer: 8 + 14 = 22; 14 + 8 = 22; 22 - 8 = 14; 22 - 14 = 8

SubType
fact-family
Facts
  • 8 + 14 = 22
  • 14 + 8 = 22
  • 22 - 8 = 14
  • 22 - 14 = 8
Difficulty
normal

Write the fact family for 28, 12, 40:

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Answer: 28 + 12 = 40; 12 + 28 = 40; 40 - 28 = 12; 40 - 12 = 28

SubType
fact-family
Facts
  • 28 + 12 = 40
  • 12 + 28 = 40
  • 40 - 28 = 12
  • 40 - 12 = 28
Difficulty
normal

Write the fact family for 13, 28, 41:

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Answer: 13 + 28 = 41; 28 + 13 = 41; 41 - 13 = 28; 41 - 28 = 13

SubType
fact-family
Facts
  • 13 + 28 = 41
  • 28 + 13 = 41
  • 41 - 13 = 28
  • 41 - 28 = 13
Difficulty
normal

Write the fact family for 12, 33, 45:

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Answer: 12 + 33 = 45; 33 + 12 = 45; 45 - 12 = 33; 45 - 33 = 12

SubType
fact-family
Facts
  • 12 + 33 = 45
  • 33 + 12 = 45
  • 45 - 12 = 33
  • 45 - 33 = 12
Difficulty
normal

Write the fact family for 39, 10, 49:

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Answer: 39 + 10 = 49; 10 + 39 = 49; 49 - 39 = 10; 49 - 10 = 39

SubType
fact-family
Facts
  • 39 + 10 = 49
  • 10 + 39 = 49
  • 49 - 39 = 10
  • 49 - 10 = 39
Difficulty
normal