MathCastle
Grade 5ChallengeOrder of Operations

Order of Operations · Challenge problem

Mia wanted to work out (□+5)×4(\square + 5) \times 4, but she forgot the parentheses and typed □+5×4\square + 5 \times 4 (with the same number in the box). Her answer was 3636 less than the answer she wanted. What number was in the box?