medium Set 30 Form Exercise

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 14, 1, 15:

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Answer: 14 + 1 = 15; 1 + 14 = 15; 15 - 14 = 1; 15 - 1 = 14

SubType
fact-family
Facts
  • 14 + 1 = 15
  • 1 + 14 = 15
  • 15 - 14 = 1
  • 15 - 1 = 14
Difficulty
normal

Write the fact family for 16, 2, 18:

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Answer: 16 + 2 = 18; 2 + 16 = 18; 18 - 16 = 2; 18 - 2 = 16

SubType
fact-family
Facts
  • 16 + 2 = 18
  • 2 + 16 = 18
  • 18 - 16 = 2
  • 18 - 2 = 16
Difficulty
normal

Write the fact family for 1, 8, 9:

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

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

Write the fact family for 17, 3, 20:

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

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

Write the fact family for 11, 1, 12:

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Answer: 11 + 1 = 12; 1 + 11 = 12; 12 - 11 = 1; 12 - 1 = 11

SubType
fact-family
Facts
  • 11 + 1 = 12
  • 1 + 11 = 12
  • 12 - 11 = 1
  • 12 - 1 = 11
Difficulty
normal