medium Set 65 Form Exercise

Write the fact family for 3, 12, 15:

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Answer: 3 + 12 = 15; 12 + 3 = 15; 15 - 3 = 12; 15 - 12 = 3

SubType
fact-family
Facts
  • 3 + 12 = 15
  • 12 + 3 = 15
  • 15 - 3 = 12
  • 15 - 12 = 3
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 3, 17, 20:

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Answer: 3 + 17 = 20; 17 + 3 = 20; 20 - 3 = 17; 20 - 17 = 3

SubType
fact-family
Facts
  • 3 + 17 = 20
  • 17 + 3 = 20
  • 20 - 3 = 17
  • 20 - 17 = 3
Difficulty
normal

Write the fact family for 2, 7, 9:

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Answer: 2 + 7 = 9; 7 + 2 = 9; 9 - 2 = 7; 9 - 7 = 2

SubType
fact-family
Facts
  • 2 + 7 = 9
  • 7 + 2 = 9
  • 9 - 2 = 7
  • 9 - 7 = 2
Difficulty
normal

Write the fact family for 5, 10, 15:

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Answer: 5 + 10 = 15; 10 + 5 = 15; 15 - 5 = 10; 15 - 10 = 5

SubType
fact-family
Facts
  • 5 + 10 = 15
  • 10 + 5 = 15
  • 15 - 5 = 10
  • 15 - 10 = 5
Difficulty
normal

Write the fact family for 6, 8, 14:

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Answer: 6 + 8 = 14; 8 + 6 = 14; 14 - 6 = 8; 14 - 8 = 6

SubType
fact-family
Facts
  • 6 + 8 = 14
  • 8 + 6 = 14
  • 14 - 6 = 8
  • 14 - 8 = 6
Difficulty
normal