medium Set 15 Form Exercise

Write the fact family for 10, 2, 12:

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Answer: 10 + 2 = 12; 2 + 10 = 12; 12 - 10 = 2; 12 - 2 = 10

SubType
fact-family
Facts
  • 10 + 2 = 12
  • 2 + 10 = 12
  • 12 - 10 = 2
  • 12 - 2 = 10
Difficulty
normal

Write the fact family for 21, 2, 23:

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Answer: 21 + 2 = 23; 2 + 21 = 23; 23 - 21 = 2; 23 - 2 = 21

SubType
fact-family
Facts
  • 21 + 2 = 23
  • 2 + 21 = 23
  • 23 - 21 = 2
  • 23 - 2 = 21
Difficulty
normal

Write the fact family for 10, 13, 23:

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Answer: 10 + 13 = 23; 13 + 10 = 23; 23 - 10 = 13; 23 - 13 = 10

SubType
fact-family
Facts
  • 10 + 13 = 23
  • 13 + 10 = 23
  • 23 - 10 = 13
  • 23 - 13 = 10
Difficulty
normal

Write the fact family for 12, 36, 48:

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Answer: 12 + 36 = 48; 36 + 12 = 48; 48 - 12 = 36; 48 - 36 = 12

SubType
fact-family
Facts
  • 12 + 36 = 48
  • 36 + 12 = 48
  • 48 - 12 = 36
  • 48 - 36 = 12
Difficulty
normal

Write the fact family for 28, 10, 38:

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Answer: 28 + 10 = 38; 10 + 28 = 38; 38 - 28 = 10; 38 - 10 = 28

SubType
fact-family
Facts
  • 28 + 10 = 38
  • 10 + 28 = 38
  • 38 - 28 = 10
  • 38 - 10 = 28
Difficulty
normal

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