medium Set 45 Form Exercise

Write the fact family for 49, 1, 50:

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

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

Write the fact family for 1, 19, 20:

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Answer: 1 + 19 = 20; 19 + 1 = 20; 20 - 1 = 19; 20 - 19 = 1

SubType
fact-family
Facts
  • 1 + 19 = 20
  • 19 + 1 = 20
  • 20 - 1 = 19
  • 20 - 19 = 1
Difficulty
normal

Write the fact family for 23, 5, 28:

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Answer: 23 + 5 = 28; 5 + 23 = 28; 28 - 23 = 5; 28 - 5 = 23

SubType
fact-family
Facts
  • 23 + 5 = 28
  • 5 + 23 = 28
  • 28 - 23 = 5
  • 28 - 5 = 23
Difficulty
normal

Write the fact family for 17, 10, 27:

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Answer: 17 + 10 = 27; 10 + 17 = 27; 27 - 17 = 10; 27 - 10 = 17

SubType
fact-family
Facts
  • 17 + 10 = 27
  • 10 + 17 = 27
  • 27 - 17 = 10
  • 27 - 10 = 17
Difficulty
normal

Write the fact family for 10, 13, 23:

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Answer: 10 + 13 = 23; 13 + 10 = 23; 23 - 10 = 13; 23 - 13 = 10

SubType
fact-family
Facts
  • 10 + 13 = 23
  • 13 + 10 = 23
  • 23 - 10 = 13
  • 23 - 13 = 10
Difficulty
normal

Write the fact family for 4, 46, 50:

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Answer: 4 + 46 = 50; 46 + 4 = 50; 50 - 4 = 46; 50 - 46 = 4

SubType
fact-family
Facts
  • 4 + 46 = 50
  • 46 + 4 = 50
  • 50 - 4 = 46
  • 50 - 46 = 4
Difficulty
normal