Create a free account now and get 3 full lessons, completely free. Get my 3 free lessons

Canada: choose your country
Grade 3 math · B.2 · Find the Unknown

Find the missing number: subtraction to 100

Every number is 100 or less.

Loading a question…

See worked examples
  1. 58 − □ = 48 What number goes in the box?

    Answer: 10

  2. 96 − □ = 32 What number goes in the box?

    Answer: 64

  3. 83 − □ = 38 What number goes in the box?

    Answer: 45

Tip: Every number is 100 or less.

Curriculum

Common Core: 3.OA.A.4

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

Practise without limits

Members practise as much as they like, every day, and get the printable packs and lessons too.