hard Set 90 Form Exercise

Write the fact family for 2, 5, 10:

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Answer: 2 × 5 = 10; 5 × 2 = 10; 10 ÷ 2 = 5; 10 ÷ 5 = 2

SubType
fact-family
Facts
  • 2 × 5 = 10
  • 5 × 2 = 10
  • 10 ÷ 2 = 5
  • 10 ÷ 5 = 2
Difficulty
hard

Write the fact family for 10, 10, 100:

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Answer: 10 × 10 = 100; 10 × 10 = 100; 100 ÷ 10 = 10; 100 ÷ 10 = 10

SubType
fact-family
Facts
  • 10 × 10 = 100
  • 10 × 10 = 100
  • 100 ÷ 10 = 10
  • 100 ÷ 10 = 10
Difficulty
hard

Write the fact family for 1, 5, 6:

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

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

Write the fact family for 4, 2, 8:

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Answer: 4 × 2 = 8; 2 × 4 = 8; 8 ÷ 4 = 2; 8 ÷ 2 = 4

SubType
fact-family
Facts
  • 4 × 2 = 8
  • 2 × 4 = 8
  • 8 ÷ 4 = 2
  • 8 ÷ 2 = 4
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

Write the fact family for 9, 10, 90:

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Answer: 9 × 10 = 90; 10 × 9 = 90; 90 ÷ 9 = 10; 90 ÷ 10 = 9

SubType
fact-family
Facts
  • 9 × 10 = 90
  • 10 × 9 = 90
  • 90 ÷ 9 = 10
  • 90 ÷ 10 = 9
Difficulty
hard