hard Set 40 Form Exercise

Write the fact family for 7, 1, 8:

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Answer: 7 + 1 = 8; 1 + 7 = 8; 8 - 7 = 1; 8 - 1 = 7

SubType
fact-family
Facts
  • 7 + 1 = 8
  • 1 + 7 = 8
  • 8 - 7 = 1
  • 8 - 1 = 7
Difficulty
hard

Write the fact family for 10, 2, 20:

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Answer: 10 × 2 = 20; 2 × 10 = 20; 20 ÷ 10 = 2; 20 ÷ 2 = 10

SubType
fact-family
Facts
  • 10 × 2 = 20
  • 2 × 10 = 20
  • 20 ÷ 10 = 2
  • 20 ÷ 2 = 10
Difficulty
hard

Write the fact family for 9, 5, 45:

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Answer: 9 × 5 = 45; 5 × 9 = 45; 45 ÷ 9 = 5; 45 ÷ 5 = 9

SubType
fact-family
Facts
  • 9 × 5 = 45
  • 5 × 9 = 45
  • 45 ÷ 9 = 5
  • 45 ÷ 5 = 9
Difficulty
hard

Write the fact family for 1, 5, 6:

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Answer: 1 + 5 = 6; 5 + 1 = 6; 6 - 1 = 5; 6 - 5 = 1

SubType
fact-family
Facts
  • 1 + 5 = 6
  • 5 + 1 = 6
  • 6 - 1 = 5
  • 6 - 5 = 1
Difficulty
hard

Write the fact family for 3, 2, 5:

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Answer: 3 + 2 = 5; 2 + 3 = 5; 5 - 3 = 2; 5 - 2 = 3

SubType
fact-family
Facts
  • 3 + 2 = 5
  • 2 + 3 = 5
  • 5 - 3 = 2
  • 5 - 2 = 3
Difficulty
hard

Write the fact family for 4, 7, 28:

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Answer: 4 × 7 = 28; 7 × 4 = 28; 28 ÷ 4 = 7; 28 ÷ 7 = 4

SubType
fact-family
Facts
  • 4 × 7 = 28
  • 7 × 4 = 28
  • 28 ÷ 4 = 7
  • 28 ÷ 7 = 4
Difficulty
hard