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Australia: choose your country
Year 4 maths · B.1 · Find the Unknown

Find the missing number: addition to 50

Every number is 50 or less.

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See worked examples
  1. □ + 4 = 7 What number goes in the box?

    Answer: 3

  2. □ + 24 = 36 What number goes in the box?

    Answer: 12

  3. □ + 2 = 9 What number goes in the box?

    Answer: 7

Tip: Every number is 50 or less.

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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