medium Set 87 Form Exercise

Write the fact family for 6, 13, 19:

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Answer: 6 + 13 = 19; 13 + 6 = 19; 19 - 6 = 13; 19 - 13 = 6

SubType
fact-family
Facts
  • 6 + 13 = 19
  • 13 + 6 = 19
  • 19 - 6 = 13
  • 19 - 13 = 6
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 3, 2, 5:

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Answer: 3 + 2 = 5; 2 + 3 = 5; 5 - 3 = 2; 5 - 2 = 3

SubType
fact-family
Facts
  • 3 + 2 = 5
  • 2 + 3 = 5
  • 5 - 3 = 2
  • 5 - 2 = 3
Difficulty
normal

Write the fact family for 17, 2, 19:

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Answer: 17 + 2 = 19; 2 + 17 = 19; 19 - 17 = 2; 19 - 2 = 17

SubType
fact-family
Facts
  • 17 + 2 = 19
  • 2 + 17 = 19
  • 19 - 17 = 2
  • 19 - 2 = 17
Difficulty
normal

Write the fact family for 7, 3, 10:

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Answer: 7 + 3 = 10; 3 + 7 = 10; 10 - 7 = 3; 10 - 3 = 7

SubType
fact-family
Facts
  • 7 + 3 = 10
  • 3 + 7 = 10
  • 10 - 7 = 3
  • 10 - 3 = 7
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