NRICH: Order the Products

Can you put these products in order of size?

Without calculating the five products below, put them in order of size, from smallest to largest.

210×190 198×202 200×200

 

195×205 186×214

This problem is taken from the World Mathematics Championships

You can find more short problems, arranged by curriculum topic, in our short problems collection.

Age 14 to 16


Math Topics
Algebra & Pre-Algebra, Quadratic Equations
High School
9th Grade, 10th Grade, 11th Grade

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NRICH (University of Cambridge)

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Challenge

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