medium Set 20 Form Exercise

Write the fact family for 22, 20, 42:

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Answer: 22 + 20 = 42; 20 + 22 = 42; 42 - 22 = 20; 42 - 20 = 22

SubType
fact-family
Facts
  • 22 + 20 = 42
  • 20 + 22 = 42
  • 42 - 22 = 20
  • 42 - 20 = 22
Difficulty
normal

Write the fact family for 25, 17, 42:

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Answer: 25 + 17 = 42; 17 + 25 = 42; 42 - 25 = 17; 42 - 17 = 25

SubType
fact-family
Facts
  • 25 + 17 = 42
  • 17 + 25 = 42
  • 42 - 25 = 17
  • 42 - 17 = 25
Difficulty
normal

Write the fact family for 12, 33, 45:

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Answer: 12 + 33 = 45; 33 + 12 = 45; 45 - 12 = 33; 45 - 33 = 12

SubType
fact-family
Facts
  • 12 + 33 = 45
  • 33 + 12 = 45
  • 45 - 12 = 33
  • 45 - 33 = 12
Difficulty
normal

Write the fact family for 26, 5, 31:

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Answer: 26 + 5 = 31; 5 + 26 = 31; 31 - 26 = 5; 31 - 5 = 26

SubType
fact-family
Facts
  • 26 + 5 = 31
  • 5 + 26 = 31
  • 31 - 26 = 5
  • 31 - 5 = 26
Difficulty
normal

Write the fact family for 3, 16, 19:

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Answer: 3 + 16 = 19; 16 + 3 = 19; 19 - 3 = 16; 19 - 16 = 3

SubType
fact-family
Facts
  • 3 + 16 = 19
  • 16 + 3 = 19
  • 19 - 3 = 16
  • 19 - 16 = 3
Difficulty
normal

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
normal