hard Set 81 Form Exercise

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
hard

Write the fact family for 4, 8, 32:

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Answer: 4 × 8 = 32; 8 × 4 = 32; 32 ÷ 4 = 8; 32 ÷ 8 = 4

SubType
fact-family
Facts
  • 4 × 8 = 32
  • 8 × 4 = 32
  • 32 ÷ 4 = 8
  • 32 ÷ 8 = 4
Difficulty
hard

Write the fact family for 3, 2, 6:

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Answer: 3 × 2 = 6; 2 × 3 = 6; 6 ÷ 3 = 2; 6 ÷ 2 = 3

SubType
fact-family
Facts
  • 3 × 2 = 6
  • 2 × 3 = 6
  • 6 ÷ 3 = 2
  • 6 ÷ 2 = 3
Difficulty
hard

Write the fact family for 9, 8, 72:

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Answer: 9 × 8 = 72; 8 × 9 = 72; 72 ÷ 9 = 8; 72 ÷ 8 = 9

SubType
fact-family
Facts
  • 9 × 8 = 72
  • 8 × 9 = 72
  • 72 ÷ 9 = 8
  • 72 ÷ 8 = 9
Difficulty
hard

Write the fact family for 10, 7, 70:

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Answer: 10 × 7 = 70; 7 × 10 = 70; 70 ÷ 10 = 7; 70 ÷ 7 = 10

SubType
fact-family
Facts
  • 10 × 7 = 70
  • 7 × 10 = 70
  • 70 ÷ 10 = 7
  • 70 ÷ 7 = 10
Difficulty
hard

Write the fact family for 7, 4, 28:

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

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