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Year 5 maths · B.1 · Find the Unknown

Find the missing number: addition to 50

Every number is 50 or less.

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

    Answer: 1

  2. □ + 5 = 8 What number goes in the box?

    Answer: 3

  3. □ + 1 = 3 What number goes in the box?

    Answer: 2

Tip: Every number is 50 or less.

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Curriculum

Common Core: 4.OA.A.3, 3.OA.A.4

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On paper: this skill is in the printable pack Grade 4 Common Core Math: Patterns and Algebraic Thinking, with an answer key.

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