easy Set 80 Form Exercise

Write the fact family for 13, 7, 20:

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Answer: 13 + 7 = 20; 7 + 13 = 20; 20 - 13 = 7; 20 - 7 = 13

SubType
fact-family
Facts
  • 13 + 7 = 20
  • 7 + 13 = 20
  • 20 - 13 = 7
  • 20 - 7 = 13
Difficulty
easy

Write the fact family for 11, 8, 19:

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Answer: 11 + 8 = 19; 8 + 11 = 19; 19 - 11 = 8; 19 - 8 = 11

SubType
fact-family
Facts
  • 11 + 8 = 19
  • 8 + 11 = 19
  • 19 - 11 = 8
  • 19 - 8 = 11
Difficulty
easy

Write the fact family for 15, 5, 20:

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Answer: 15 + 5 = 20; 5 + 15 = 20; 20 - 15 = 5; 20 - 5 = 15

SubType
fact-family
Facts
  • 15 + 5 = 20
  • 5 + 15 = 20
  • 20 - 15 = 5
  • 20 - 5 = 15
Difficulty
easy

Write the fact family for 16, 4, 20:

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Answer: 16 + 4 = 20; 4 + 16 = 20; 20 - 16 = 4; 20 - 4 = 16

SubType
fact-family
Facts
  • 16 + 4 = 20
  • 4 + 16 = 20
  • 20 - 16 = 4
  • 20 - 4 = 16
Difficulty
easy

Write the fact family for 16, 1, 17:

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Answer: 16 + 1 = 17; 1 + 16 = 17; 17 - 16 = 1; 17 - 1 = 16

SubType
fact-family
Facts
  • 16 + 1 = 17
  • 1 + 16 = 17
  • 17 - 16 = 1
  • 17 - 1 = 16
Difficulty
easy

Write the fact family for 1, 15, 16:

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Answer: 1 + 15 = 16; 15 + 1 = 16; 16 - 1 = 15; 16 - 15 = 1

SubType
fact-family
Facts
  • 1 + 15 = 16
  • 15 + 1 = 16
  • 16 - 1 = 15
  • 16 - 15 = 1
Difficulty
easy