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Grade 3 maths · B.4 · Find the Unknown

Find the missing number: addition and subtraction to 1,000

Adding and subtracting. Every number is 1000 or less.

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  1. □ − 2 = 93 What number goes in the box?

    Answer: 95

  2. □ − 1 = 95 What number goes in the box?

    Answer: 96

  3. □ + 60 = 99 What number goes in the box?

    Answer: 39

Tip: Adding and subtracting. Every number is 1000 or less.

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Curriculum

Common Core: 3.OA.A.4

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On paper: this skill is in the printable pack Grade 3 Common Core Math: Patterns and Algebraic Thinking, with an answer key.

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