Grade 4 math · B.2 · Find the Unknown
Find the missing number: subtraction to 50
Every number is 50 or less.
See worked examples
48 − □ = 46 What number goes in the box?
Answer: 2
□ − 8 = 33 What number goes in the box?
Answer: 41
45 − □ = 44 What number goes in the box?
Answer: 1
Tip: Every number is 50 or less.
Curriculum
Common Core: 4.OA.A.3, 3.OA.A.4
On paper: this skill is in the printable pack Grade 4 Common Core Math: Patterns and Algebraic Thinking, with an answer key.
Practise without limits
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