medium Set 11 Form Exercise

Write the fact family for 3, 9, 12:

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Answer: 3 + 9 = 12; 9 + 3 = 12; 12 - 3 = 9; 12 - 9 = 3

SubType
fact-family
Facts
  • 3 + 9 = 12
  • 9 + 3 = 12
  • 12 - 3 = 9
  • 12 - 9 = 3
Difficulty
normal

Write the fact family for 9, 2, 11:

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Answer: 9 + 2 = 11; 2 + 9 = 11; 11 - 9 = 2; 11 - 2 = 9

SubType
fact-family
Facts
  • 9 + 2 = 11
  • 2 + 9 = 11
  • 11 - 9 = 2
  • 11 - 2 = 9
Difficulty
normal

Write the fact family for 8, 1, 9:

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Answer: 8 + 1 = 9; 1 + 8 = 9; 9 - 8 = 1; 9 - 1 = 8

SubType
fact-family
Facts
  • 8 + 1 = 9
  • 1 + 8 = 9
  • 9 - 8 = 1
  • 9 - 1 = 8
Difficulty
normal

Write the fact family for 15, 1, 16:

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Answer: 15 + 1 = 16; 1 + 15 = 16; 16 - 15 = 1; 16 - 1 = 15

SubType
fact-family
Facts
  • 15 + 1 = 16
  • 1 + 15 = 16
  • 16 - 15 = 1
  • 16 - 1 = 15
Difficulty
normal

Write the fact family for 3, 14, 17:

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

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

Write the fact family for 18, 2, 20:

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Answer: 18 + 2 = 20; 2 + 18 = 20; 20 - 18 = 2; 20 - 2 = 18

SubType
fact-family
Facts
  • 18 + 2 = 20
  • 2 + 18 = 20
  • 20 - 18 = 2
  • 20 - 2 = 18
Difficulty
normal