Year 6 maths · B.1 · Find the Unknown
Find the missing number: addition and subtraction to 100
Every number is 100 or less.
See worked examples
□ + 6 = 68 What number goes in the box?
Answer: 62
□ + 42 = 43 What number goes in the box?
Answer: 1
□ − 40 = 56 What number goes in the box?
Answer: 96
Tip: Every number is 100 or less.
On paper: this skill is in the printable pack Grade 5 Common Core Math: Patterns and Algebraic Thinking, with an answer key.
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