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


Algebra & Pre-Algebra, Quadratic Equations
High School

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NRICH (University of Cambridge)

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