medium Set 36 Form Exercise

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 1, 7, 8:

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Answer: 1 + 7 = 8; 7 + 1 = 8; 8 - 1 = 7; 8 - 7 = 1

SubType
fact-family
Facts
  • 1 + 7 = 8
  • 7 + 1 = 8
  • 8 - 1 = 7
  • 8 - 7 = 1
Difficulty
normal

Write the fact family for 5, 8, 13:

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Answer: 5 + 8 = 13; 8 + 5 = 13; 13 - 5 = 8; 13 - 8 = 5

SubType
fact-family
Facts
  • 5 + 8 = 13
  • 8 + 5 = 13
  • 13 - 5 = 8
  • 13 - 8 = 5
Difficulty
normal

Write the fact family for 18, 1, 19:

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Answer: 18 + 1 = 19; 1 + 18 = 19; 19 - 18 = 1; 19 - 1 = 18

SubType
fact-family
Facts
  • 18 + 1 = 19
  • 1 + 18 = 19
  • 19 - 18 = 1
  • 19 - 1 = 18
Difficulty
normal

Write the fact family for 13, 3, 16:

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Answer: 13 + 3 = 16; 3 + 13 = 16; 16 - 13 = 3; 16 - 3 = 13

SubType
fact-family
Facts
  • 13 + 3 = 16
  • 3 + 13 = 16
  • 16 - 13 = 3
  • 16 - 3 = 13
Difficulty
normal