medium Set 12 Form Exercise

Write the fact family for 12, 1, 13:

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Answer: 12 + 1 = 13; 1 + 12 = 13; 13 - 12 = 1; 13 - 1 = 12

SubType
fact-family
Facts
  • 12 + 1 = 13
  • 1 + 12 = 13
  • 13 - 12 = 1
  • 13 - 1 = 12
Difficulty
normal

Write the fact family for 5, 8, 13:

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Answer: 5 + 8 = 13; 8 + 5 = 13; 13 - 5 = 8; 13 - 8 = 5

SubType
fact-family
Facts
  • 5 + 8 = 13
  • 8 + 5 = 13
  • 13 - 5 = 8
  • 13 - 8 = 5
Difficulty
normal

Write the fact family for 17, 2, 19:

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Answer: 17 + 2 = 19; 2 + 17 = 19; 19 - 17 = 2; 19 - 2 = 17

SubType
fact-family
Facts
  • 17 + 2 = 19
  • 2 + 17 = 19
  • 19 - 17 = 2
  • 19 - 2 = 17
Difficulty
normal

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 10, 4, 14:

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Answer: 10 + 4 = 14; 4 + 10 = 14; 14 - 10 = 4; 14 - 4 = 10

SubType
fact-family
Facts
  • 10 + 4 = 14
  • 4 + 10 = 14
  • 14 - 10 = 4
  • 14 - 4 = 10
Difficulty
normal

Write the fact family for 3, 1, 4:

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Answer: 3 + 1 = 4; 1 + 3 = 4; 4 - 3 = 1; 4 - 1 = 3

SubType
fact-family
Facts
  • 3 + 1 = 4
  • 1 + 3 = 4
  • 4 - 3 = 1
  • 4 - 1 = 3
Difficulty
normal