medium Set 18 Form Exercise

Write the fact family for 9, 5, 14:

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Answer: 9 + 5 = 14; 5 + 9 = 14; 14 - 9 = 5; 14 - 5 = 9

SubType
fact-family
Facts
  • 9 + 5 = 14
  • 5 + 9 = 14
  • 14 - 9 = 5
  • 14 - 5 = 9
Difficulty
medium

Write the fact family for 2, 18, 20:

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Answer: 2 + 18 = 20; 18 + 2 = 20; 20 - 2 = 18; 20 - 18 = 2

SubType
fact-family
Facts
  • 2 + 18 = 20
  • 18 + 2 = 20
  • 20 - 2 = 18
  • 20 - 18 = 2
Difficulty
medium

Write the fact family for 13, 2, 15:

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Answer: 13 + 2 = 15; 2 + 13 = 15; 15 - 13 = 2; 15 - 2 = 13

SubType
fact-family
Facts
  • 13 + 2 = 15
  • 2 + 13 = 15
  • 15 - 13 = 2
  • 15 - 2 = 13
Difficulty
medium

Write the fact family for 12, 5, 60:

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Answer: 12 × 5 = 60; 5 × 12 = 60; 60 ÷ 12 = 5; 60 ÷ 5 = 12

SubType
fact-family
Facts
  • 12 × 5 = 60
  • 5 × 12 = 60
  • 60 ÷ 12 = 5
  • 60 ÷ 5 = 12
Difficulty
medium

Write the fact family for 13, 4, 17:

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Answer: 13 + 4 = 17; 4 + 13 = 17; 17 - 13 = 4; 17 - 4 = 13

SubType
fact-family
Facts
  • 13 + 4 = 17
  • 4 + 13 = 17
  • 17 - 13 = 4
  • 17 - 4 = 13
Difficulty
medium

Write the fact family for 11, 9, 20:

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Answer: 11 + 9 = 20; 9 + 11 = 20; 20 - 11 = 9; 20 - 9 = 11

SubType
fact-family
Facts
  • 11 + 9 = 20
  • 9 + 11 = 20
  • 20 - 11 = 9
  • 20 - 9 = 11
Difficulty
medium