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Grade 5 math · B.1 · Find the Unknown

Find the missing number: addition and subtraction to 100

Every number is 100 or less.

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See worked examples
  1. □ + 6 = 68 What number goes in the box?

    Answer: 62

  2. □ + 42 = 43 What number goes in the box?

    Answer: 1

  3. □ − 40 = 56 What number goes in the box?

    Answer: 96

Tip: Every number is 100 or less.

Curriculum

Common Core: 6.EE.B.7

On paper: this skill is in the printable pack Grade 5 Common Core Math: Patterns and Algebraic Thinking, with an answer key.

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