medium Set 42 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 7, 4, 11:

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Answer: 7 + 4 = 11; 4 + 7 = 11; 11 - 7 = 4; 11 - 4 = 7

SubType
fact-family
Facts
  • 7 + 4 = 11
  • 4 + 7 = 11
  • 11 - 7 = 4
  • 11 - 4 = 7
Difficulty
normal

Write the fact family for 10, 10, 20:

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Answer: 10 + 10 = 20; 10 + 10 = 20; 20 - 10 = 10; 20 - 10 = 10

SubType
fact-family
Facts
  • 10 + 10 = 20
  • 10 + 10 = 20
  • 20 - 10 = 10
  • 20 - 10 = 10
Difficulty
normal

Write the fact family for 4, 1, 5:

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Answer: 4 + 1 = 5; 1 + 4 = 5; 5 - 4 = 1; 5 - 1 = 4

SubType
fact-family
Facts
  • 4 + 1 = 5
  • 1 + 4 = 5
  • 5 - 4 = 1
  • 5 - 1 = 4
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 12, 3, 15:

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Answer: 12 + 3 = 15; 3 + 12 = 15; 15 - 12 = 3; 15 - 3 = 12

SubType
fact-family
Facts
  • 12 + 3 = 15
  • 3 + 12 = 15
  • 15 - 12 = 3
  • 15 - 3 = 12
Difficulty
normal