medium Set 82 Form Exercise

Write the fact family for 11, 9, 20:

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Answer: 11 + 9 = 20; 9 + 11 = 20; 20 - 11 = 9; 20 - 9 = 11

SubType
fact-family
Facts
  • 11 + 9 = 20
  • 9 + 11 = 20
  • 20 - 11 = 9
  • 20 - 9 = 11
Difficulty
normal

Write the fact family for 16, 4, 20:

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Answer: 16 + 4 = 20; 4 + 16 = 20; 20 - 16 = 4; 20 - 4 = 16

SubType
fact-family
Facts
  • 16 + 4 = 20
  • 4 + 16 = 20
  • 20 - 16 = 4
  • 20 - 4 = 16
Difficulty
normal

Write the fact family for 4, 4, 8:

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

SubType
fact-family
Facts
  • 4 + 4 = 8
  • 4 + 4 = 8
  • 8 - 4 = 4
  • 8 - 4 = 4
Difficulty
normal

Write the fact family for 19, 1, 20:

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Answer: 19 + 1 = 20; 1 + 19 = 20; 20 - 19 = 1; 20 - 1 = 19

SubType
fact-family
Facts
  • 19 + 1 = 20
  • 1 + 19 = 20
  • 20 - 19 = 1
  • 20 - 1 = 19
Difficulty
normal

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 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