medium Set 66 Form Exercise

Write the fact family for 1, 4, 5:

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Answer: 1 + 4 = 5; 4 + 1 = 5; 5 - 1 = 4; 5 - 4 = 1

SubType
fact-family
Facts
  • 1 + 4 = 5
  • 4 + 1 = 5
  • 5 - 1 = 4
  • 5 - 4 = 1
Difficulty
medium

Write the fact family for 10, 4, 40:

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Answer: 10 × 4 = 40; 4 × 10 = 40; 40 ÷ 10 = 4; 40 ÷ 4 = 10

SubType
fact-family
Facts
  • 10 × 4 = 40
  • 4 × 10 = 40
  • 40 ÷ 10 = 4
  • 40 ÷ 4 = 10
Difficulty
medium

Write the fact family for 7, 3, 21:

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Answer: 7 × 3 = 21; 3 × 7 = 21; 21 ÷ 7 = 3; 21 ÷ 3 = 7

SubType
fact-family
Facts
  • 7 × 3 = 21
  • 3 × 7 = 21
  • 21 ÷ 7 = 3
  • 21 ÷ 3 = 7
Difficulty
medium

Write the fact family for 6, 7, 42:

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Answer: 6 × 7 = 42; 7 × 6 = 42; 42 ÷ 6 = 7; 42 ÷ 7 = 6

SubType
fact-family
Facts
  • 6 × 7 = 42
  • 7 × 6 = 42
  • 42 ÷ 6 = 7
  • 42 ÷ 7 = 6
Difficulty
medium

Write the fact family for 9, 2, 18:

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Answer: 9 × 2 = 18; 2 × 9 = 18; 18 ÷ 9 = 2; 18 ÷ 2 = 9

SubType
fact-family
Facts
  • 9 × 2 = 18
  • 2 × 9 = 18
  • 18 ÷ 9 = 2
  • 18 ÷ 2 = 9
Difficulty
medium

Write the fact family for 3, 3, 6:

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

SubType
fact-family
Facts
  • 3 + 3 = 6
  • 3 + 3 = 6
  • 6 - 3 = 3
  • 6 - 3 = 3
Difficulty
medium