medium Set 21 Form Exercise

Write the fact family for 4, 6, 10:

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Answer: 4 + 6 = 10; 6 + 4 = 10; 10 - 4 = 6; 10 - 6 = 4

SubType
fact-family
Facts
  • 4 + 6 = 10
  • 6 + 4 = 10
  • 10 - 4 = 6
  • 10 - 6 = 4
Difficulty
medium

Write the fact family for 2, 6, 8:

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Answer: 2 + 6 = 8; 6 + 2 = 8; 8 - 2 = 6; 8 - 6 = 2

SubType
fact-family
Facts
  • 2 + 6 = 8
  • 6 + 2 = 8
  • 8 - 2 = 6
  • 8 - 6 = 2
Difficulty
medium

Write the fact family for 5, 1, 6:

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Answer: 5 + 1 = 6; 1 + 5 = 6; 6 - 5 = 1; 6 - 1 = 5

SubType
fact-family
Facts
  • 5 + 1 = 6
  • 1 + 5 = 6
  • 6 - 5 = 1
  • 6 - 1 = 5
Difficulty
medium

Write the fact family for 4, 10, 40:

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

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

Write the fact family for 2, 4, 6:

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Answer: 2 + 4 = 6; 4 + 2 = 6; 6 - 2 = 4; 6 - 4 = 2

SubType
fact-family
Facts
  • 2 + 4 = 6
  • 4 + 2 = 6
  • 6 - 2 = 4
  • 6 - 4 = 2
Difficulty
medium

Write the fact family for 1, 7, 8:

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Answer: 1 + 7 = 8; 7 + 1 = 8; 8 - 1 = 7; 8 - 7 = 1

SubType
fact-family
Facts
  • 1 + 7 = 8
  • 7 + 1 = 8
  • 8 - 1 = 7
  • 8 - 7 = 1
Difficulty
medium