medium Set 40 Form Exercise

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 12, 7, 19:

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Answer: 12 + 7 = 19; 7 + 12 = 19; 19 - 12 = 7; 19 - 7 = 12

SubType
fact-family
Facts
  • 12 + 7 = 19
  • 7 + 12 = 19
  • 19 - 12 = 7
  • 19 - 7 = 12
Difficulty
normal

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
normal

Write the fact family for 12, 5, 17:

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Answer: 12 + 5 = 17; 5 + 12 = 17; 17 - 12 = 5; 17 - 5 = 12

SubType
fact-family
Facts
  • 12 + 5 = 17
  • 5 + 12 = 17
  • 17 - 12 = 5
  • 17 - 5 = 12
Difficulty
normal