medium Set 81 Form Exercise

Write the fact family for 10, 3, 13:

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Answer: 10 + 3 = 13; 3 + 10 = 13; 13 - 10 = 3; 13 - 3 = 10

SubType
fact-family
Facts
  • 10 + 3 = 13
  • 3 + 10 = 13
  • 13 - 10 = 3
  • 13 - 3 = 10
Difficulty
normal

Write the fact family for 8, 6, 14:

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

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

Write the fact family for 14, 3, 17:

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Answer: 14 + 3 = 17; 3 + 14 = 17; 17 - 14 = 3; 17 - 3 = 14

SubType
fact-family
Facts
  • 14 + 3 = 17
  • 3 + 14 = 17
  • 17 - 14 = 3
  • 17 - 3 = 14
Difficulty
normal

Write the fact family for 6, 5, 11:

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Answer: 6 + 5 = 11; 5 + 6 = 11; 11 - 6 = 5; 11 - 5 = 6

SubType
fact-family
Facts
  • 6 + 5 = 11
  • 5 + 6 = 11
  • 11 - 6 = 5
  • 11 - 5 = 6
Difficulty
normal

Write the fact family for 2, 13, 15:

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

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

Write the fact family for 12, 2, 14:

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Answer: 12 + 2 = 14; 2 + 12 = 14; 14 - 12 = 2; 14 - 2 = 12

SubType
fact-family
Facts
  • 12 + 2 = 14
  • 2 + 12 = 14
  • 14 - 12 = 2
  • 14 - 2 = 12
Difficulty
normal