medium Set 20 Form Exercise

Write the fact family for 38, 2, 40:

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Answer: 38 + 2 = 40; 2 + 38 = 40; 40 - 38 = 2; 40 - 2 = 38

SubType
fact-family
Facts
  • 38 + 2 = 40
  • 2 + 38 = 40
  • 40 - 38 = 2
  • 40 - 2 = 38
Difficulty
normal

Write the fact family for 25, 6, 31:

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Answer: 25 + 6 = 31; 6 + 25 = 31; 31 - 25 = 6; 31 - 6 = 25

SubType
fact-family
Facts
  • 25 + 6 = 31
  • 6 + 25 = 31
  • 31 - 25 = 6
  • 31 - 6 = 25
Difficulty
normal

Write the fact family for 19, 8, 27:

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Answer: 19 + 8 = 27; 8 + 19 = 27; 27 - 19 = 8; 27 - 8 = 19

SubType
fact-family
Facts
  • 19 + 8 = 27
  • 8 + 19 = 27
  • 27 - 19 = 8
  • 27 - 8 = 19
Difficulty
normal

Write the fact family for 4, 41, 45:

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Answer: 4 + 41 = 45; 41 + 4 = 45; 45 - 4 = 41; 45 - 41 = 4

SubType
fact-family
Facts
  • 4 + 41 = 45
  • 41 + 4 = 45
  • 45 - 4 = 41
  • 45 - 41 = 4
Difficulty
normal

Write the fact family for 31, 10, 41:

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Answer: 31 + 10 = 41; 10 + 31 = 41; 41 - 31 = 10; 41 - 10 = 31

SubType
fact-family
Facts
  • 31 + 10 = 41
  • 10 + 31 = 41
  • 41 - 31 = 10
  • 41 - 10 = 31
Difficulty
normal

Write the fact family for 35, 4, 39:

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Answer: 35 + 4 = 39; 4 + 35 = 39; 39 - 35 = 4; 39 - 4 = 35

SubType
fact-family
Facts
  • 35 + 4 = 39
  • 4 + 35 = 39
  • 39 - 35 = 4
  • 39 - 4 = 35
Difficulty
normal