hard Set 79 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
hard

Write the fact family for 4, 5, 20:

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

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

Write the fact family for 1, 2, 3:

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Answer: 1 + 2 = 3; 2 + 1 = 3; 3 - 1 = 2; 3 - 2 = 1

SubType
fact-family
Facts
  • 1 + 2 = 3
  • 2 + 1 = 3
  • 3 - 1 = 2
  • 3 - 2 = 1
Difficulty
hard

Write the fact family for 4, 4, 16:

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Answer: 4 × 4 = 16; 4 × 4 = 16; 16 ÷ 4 = 4; 16 ÷ 4 = 4

SubType
fact-family
Facts
  • 4 × 4 = 16
  • 4 × 4 = 16
  • 16 ÷ 4 = 4
  • 16 ÷ 4 = 4
Difficulty
hard

Write the fact family for 2, 7, 14:

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

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

Write the fact family for 8, 1, 9:

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Answer: 8 + 1 = 9; 1 + 8 = 9; 9 - 8 = 1; 9 - 1 = 8

SubType
fact-family
Facts
  • 8 + 1 = 9
  • 1 + 8 = 9
  • 9 - 8 = 1
  • 9 - 1 = 8
Difficulty
hard