expert Set 21 Form Exercise

Write the fact family for 5, 4, 20:

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Answer: 5 × 4 = 20; 4 × 5 = 20; 20 ÷ 5 = 4; 20 ÷ 4 = 5

SubType
fact-family
Facts
  • 5 × 4 = 20
  • 4 × 5 = 20
  • 20 ÷ 5 = 4
  • 20 ÷ 4 = 5
Difficulty
expert

Write the fact family for 6, 9, 54:

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Answer: 6 × 9 = 54; 9 × 6 = 54; 54 ÷ 6 = 9; 54 ÷ 9 = 6

SubType
fact-family
Facts
  • 6 × 9 = 54
  • 9 × 6 = 54
  • 54 ÷ 6 = 9
  • 54 ÷ 9 = 6
Difficulty
expert

Write the fact family for 5, 5, 10:

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Answer: 5 + 5 = 10; 5 + 5 = 10; 10 - 5 = 5; 10 - 5 = 5

SubType
fact-family
Facts
  • 5 + 5 = 10
  • 5 + 5 = 10
  • 10 - 5 = 5
  • 10 - 5 = 5
Difficulty
expert

Write the fact family for 6, 3, 9:

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Answer: 6 + 3 = 9; 3 + 6 = 9; 9 - 6 = 3; 9 - 3 = 6

SubType
fact-family
Facts
  • 6 + 3 = 9
  • 3 + 6 = 9
  • 9 - 6 = 3
  • 9 - 3 = 6
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