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Jane made a mistake when writing down a multiplication, and she multiplied by 54 instead of 45.
Her answer was 198 more than it should have been.
What number did she multiply 54 by?
This problem is adapted from the World Mathematics Championships
Multiplication Mistake
Age 11 to 14
ShortChallenge Level 
Jane made a mistake when writing down a multiplication, and she multiplied by 54 instead of 45.
Her answer was 198 more than it should have been.
What number did she multiply 54 by?
This problem is adapted from the World Mathematics Championships
You can find more short problems, arranged by curriculum topic, in our short problems collection.
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