medium Set 70 Form Exercise

Write the fact family for 12, 8, 20:

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Answer: 12 + 8 = 20; 8 + 12 = 20; 20 - 12 = 8; 20 - 8 = 12

SubType
fact-family
Facts
  • 12 + 8 = 20
  • 8 + 12 = 20
  • 20 - 12 = 8
  • 20 - 8 = 12
Difficulty
normal

Write the fact family for 11, 2, 13:

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Answer: 11 + 2 = 13; 2 + 11 = 13; 13 - 11 = 2; 13 - 2 = 11

SubType
fact-family
Facts
  • 11 + 2 = 13
  • 2 + 11 = 13
  • 13 - 11 = 2
  • 13 - 2 = 11
Difficulty
normal

Write the fact family for 17, 1, 18:

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Answer: 17 + 1 = 18; 1 + 17 = 18; 18 - 17 = 1; 18 - 1 = 17

SubType
fact-family
Facts
  • 17 + 1 = 18
  • 1 + 17 = 18
  • 18 - 17 = 1
  • 18 - 1 = 17
Difficulty
normal

Write the fact family for 13, 2, 15:

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Answer: 13 + 2 = 15; 2 + 13 = 15; 15 - 13 = 2; 15 - 2 = 13

SubType
fact-family
Facts
  • 13 + 2 = 15
  • 2 + 13 = 15
  • 15 - 13 = 2
  • 15 - 2 = 13
Difficulty
normal

Write the fact family for 1, 10, 11:

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Answer: 1 + 10 = 11; 10 + 1 = 11; 11 - 1 = 10; 11 - 10 = 1

SubType
fact-family
Facts
  • 1 + 10 = 11
  • 10 + 1 = 11
  • 11 - 1 = 10
  • 11 - 10 = 1
Difficulty
normal

Write the fact family for 16, 2, 18:

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Answer: 16 + 2 = 18; 2 + 16 = 18; 18 - 16 = 2; 18 - 2 = 16

SubType
fact-family
Facts
  • 16 + 2 = 18
  • 2 + 16 = 18
  • 18 - 16 = 2
  • 18 - 2 = 16
Difficulty
normal