medium Set 20 Form Exercise

Write the fact family for 1, 49, 50:

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Answer: 1 + 49 = 50; 49 + 1 = 50; 50 - 1 = 49; 50 - 49 = 1

SubType
fact-family
Facts
  • 1 + 49 = 50
  • 49 + 1 = 50
  • 50 - 1 = 49
  • 50 - 49 = 1
Difficulty
normal

Write the fact family for 35, 2, 37:

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Answer: 35 + 2 = 37; 2 + 35 = 37; 37 - 35 = 2; 37 - 2 = 35

SubType
fact-family
Facts
  • 35 + 2 = 37
  • 2 + 35 = 37
  • 37 - 35 = 2
  • 37 - 2 = 35
Difficulty
normal

Write the fact family for 26, 14, 40:

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Answer: 26 + 14 = 40; 14 + 26 = 40; 40 - 26 = 14; 40 - 14 = 26

SubType
fact-family
Facts
  • 26 + 14 = 40
  • 14 + 26 = 40
  • 40 - 26 = 14
  • 40 - 14 = 26
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

Write the fact family for 34, 11, 45:

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Answer: 34 + 11 = 45; 11 + 34 = 45; 45 - 34 = 11; 45 - 11 = 34

SubType
fact-family
Facts
  • 34 + 11 = 45
  • 11 + 34 = 45
  • 45 - 34 = 11
  • 45 - 11 = 34
Difficulty
normal

Write the fact family for 20, 2, 22:

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Answer: 20 + 2 = 22; 2 + 20 = 22; 22 - 20 = 2; 22 - 2 = 20

SubType
fact-family
Facts
  • 20 + 2 = 22
  • 2 + 20 = 22
  • 22 - 20 = 2
  • 22 - 2 = 20
Difficulty
normal