Year 5 maths · B.1 · Find the Unknown
Find the missing number: addition to 50
Every number is 50 or less.
See worked examples
□ + 4 = 7 What number goes in the box?
Answer: 3
□ + 24 = 36 What number goes in the box?
Answer: 12
□ + 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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