medium Set 79 Form Exercise

Write the fact family for 1, 3, 4:

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Answer: 1 + 3 = 4; 3 + 1 = 4; 4 - 1 = 3; 4 - 3 = 1

SubType
fact-family
Facts
  • 1 + 3 = 4
  • 3 + 1 = 4
  • 4 - 1 = 3
  • 4 - 3 = 1
Difficulty
normal

Write the fact family for 1, 10, 11:

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Answer: 1 + 10 = 11; 10 + 1 = 11; 11 - 1 = 10; 11 - 10 = 1

SubType
fact-family
Facts
  • 1 + 10 = 11
  • 10 + 1 = 11
  • 11 - 1 = 10
  • 11 - 10 = 1
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

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 8, 4, 12:

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

SubType
fact-family
Facts
  • 8 + 4 = 12
  • 4 + 8 = 12
  • 12 - 8 = 4
  • 12 - 4 = 8
Difficulty
normal

Write the fact family for 8, 2, 10:

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Answer: 8 + 2 = 10; 2 + 8 = 10; 10 - 8 = 2; 10 - 2 = 8

SubType
fact-family
Facts
  • 8 + 2 = 10
  • 2 + 8 = 10
  • 10 - 8 = 2
  • 10 - 2 = 8
Difficulty
normal