medium Set 31 Form Exercise

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
normal

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
normal

Write the fact family for 14, 2, 16:

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Answer: 14 + 2 = 16; 2 + 14 = 16; 16 - 14 = 2; 16 - 2 = 14

SubType
fact-family
Facts
  • 14 + 2 = 16
  • 2 + 14 = 16
  • 16 - 14 = 2
  • 16 - 2 = 14
Difficulty
normal

Write the fact family for 8, 12, 20:

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Answer: 8 + 12 = 20; 12 + 8 = 20; 20 - 8 = 12; 20 - 12 = 8

SubType
fact-family
Facts
  • 8 + 12 = 20
  • 12 + 8 = 20
  • 20 - 8 = 12
  • 20 - 12 = 8
Difficulty
normal

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