medium Set 88 Form Exercise

Write the fact family for 20, 13, 33:

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Answer: 20 + 13 = 33; 13 + 20 = 33; 33 - 20 = 13; 33 - 13 = 20

SubType
fact-family
Facts
  • 20 + 13 = 33
  • 13 + 20 = 33
  • 33 - 20 = 13
  • 33 - 13 = 20
Difficulty
normal

Write the fact family for 30, 10, 40:

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Answer: 30 + 10 = 40; 10 + 30 = 40; 40 - 30 = 10; 40 - 10 = 30

SubType
fact-family
Facts
  • 30 + 10 = 40
  • 10 + 30 = 40
  • 40 - 30 = 10
  • 40 - 10 = 30
Difficulty
normal

Write the fact family for 27, 8, 35:

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Answer: 27 + 8 = 35; 8 + 27 = 35; 35 - 27 = 8; 35 - 8 = 27

SubType
fact-family
Facts
  • 27 + 8 = 35
  • 8 + 27 = 35
  • 35 - 27 = 8
  • 35 - 8 = 27
Difficulty
normal

Write the fact family for 13, 9, 22:

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Answer: 13 + 9 = 22; 9 + 13 = 22; 22 - 13 = 9; 22 - 9 = 13

SubType
fact-family
Facts
  • 13 + 9 = 22
  • 9 + 13 = 22
  • 22 - 13 = 9
  • 22 - 9 = 13
Difficulty
normal

Write the fact family for 17, 28, 45:

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Answer: 17 + 28 = 45; 28 + 17 = 45; 45 - 17 = 28; 45 - 28 = 17

SubType
fact-family
Facts
  • 17 + 28 = 45
  • 28 + 17 = 45
  • 45 - 17 = 28
  • 45 - 28 = 17
Difficulty
normal

Write the fact family for 12, 21, 33:

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Answer: 12 + 21 = 33; 21 + 12 = 33; 33 - 12 = 21; 33 - 21 = 12

SubType
fact-family
Facts
  • 12 + 21 = 33
  • 21 + 12 = 33
  • 33 - 12 = 21
  • 33 - 21 = 12
Difficulty
normal