expert Set 80 Form Exercise

Write the fact family for 3, 5, 15:

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Answer: 3 × 5 = 15; 5 × 3 = 15; 15 ÷ 3 = 5; 15 ÷ 5 = 3

SubType
fact-family
Facts
  • 3 × 5 = 15
  • 5 × 3 = 15
  • 15 ÷ 3 = 5
  • 15 ÷ 5 = 3
Difficulty
expert

Write the fact family for 10, 3, 30:

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Answer: 10 × 3 = 30; 3 × 10 = 30; 30 ÷ 10 = 3; 30 ÷ 3 = 10

SubType
fact-family
Facts
  • 10 × 3 = 30
  • 3 × 10 = 30
  • 30 ÷ 10 = 3
  • 30 ÷ 3 = 10
Difficulty
expert

Write the fact family for 10, 5, 50:

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Answer: 10 × 5 = 50; 5 × 10 = 50; 50 ÷ 10 = 5; 50 ÷ 5 = 10

SubType
fact-family
Facts
  • 10 × 5 = 50
  • 5 × 10 = 50
  • 50 ÷ 10 = 5
  • 50 ÷ 5 = 10
Difficulty
expert

Write the fact family for 7, 2, 14:

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Answer: 7 × 2 = 14; 2 × 7 = 14; 14 ÷ 7 = 2; 14 ÷ 2 = 7

SubType
fact-family
Facts
  • 7 × 2 = 14
  • 2 × 7 = 14
  • 14 ÷ 7 = 2
  • 14 ÷ 2 = 7
Difficulty
expert

Write the fact family for 2, 7, 9:

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Answer: 2 + 7 = 9; 7 + 2 = 9; 9 - 2 = 7; 9 - 7 = 2

SubType
fact-family
Facts
  • 2 + 7 = 9
  • 7 + 2 = 9
  • 9 - 2 = 7
  • 9 - 7 = 2
Difficulty
expert

Write the fact family for 10, 10, 100:

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Answer: 10 × 10 = 100; 10 × 10 = 100; 100 ÷ 10 = 10; 100 ÷ 10 = 10

SubType
fact-family
Facts
  • 10 × 10 = 100
  • 10 × 10 = 100
  • 100 ÷ 10 = 10
  • 100 ÷ 10 = 10
Difficulty
expert