medium Set 66 Form Exercise

Write the fact family for 12, 8, 20:

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Answer: 12 + 8 = 20; 8 + 12 = 20; 20 - 12 = 8; 20 - 8 = 12

SubType
fact-family
Facts
  • 12 + 8 = 20
  • 8 + 12 = 20
  • 20 - 12 = 8
  • 20 - 8 = 12
Difficulty
normal

Write the fact family for 9, 7, 16:

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Answer: 9 + 7 = 16; 7 + 9 = 16; 16 - 9 = 7; 16 - 7 = 9

SubType
fact-family
Facts
  • 9 + 7 = 16
  • 7 + 9 = 16
  • 16 - 9 = 7
  • 16 - 7 = 9
Difficulty
normal

Write the fact family for 4, 8, 12:

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Answer: 4 + 8 = 12; 8 + 4 = 12; 12 - 4 = 8; 12 - 8 = 4

SubType
fact-family
Facts
  • 4 + 8 = 12
  • 8 + 4 = 12
  • 12 - 4 = 8
  • 12 - 8 = 4
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 1, 11, 12:

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

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

Write the fact family for 13, 6, 19:

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Answer: 13 + 6 = 19; 6 + 13 = 19; 19 - 13 = 6; 19 - 6 = 13

SubType
fact-family
Facts
  • 13 + 6 = 19
  • 6 + 13 = 19
  • 19 - 13 = 6
  • 19 - 6 = 13
Difficulty
normal