easy Set 91 Form Exercise

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
easy

Write the fact family for 1, 1, 2:

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Answer: 1 + 1 = 2; 1 + 1 = 2; 2 - 1 = 1; 2 - 1 = 1

SubType
fact-family
Facts
  • 1 + 1 = 2
  • 1 + 1 = 2
  • 2 - 1 = 1
  • 2 - 1 = 1
Difficulty
easy

Write the fact family for 8, 12, 20:

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

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

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
easy

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
easy

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
easy