National Council of Teachers of Mathematics

Understanding Multi-Digit Multiplication Using the Distributive Property

This lesson is based on the MTLT article “Embracing the Struggle ” by Camille Lund. Over three days, students will develop a conceptual understanding of multi-digit multiplication by engaging in a ...
BBC

Multiply a 3-digit number by a 1-digit number

When you multiply a 3-digit number by a 1-digit number, the best way to do this without a calculator is to use short multiplication. This is how you would use short multiplication to find out the ...
The Atlantic

A New Kind of Problem: The Common Core Math Standards

A set of guidelines adopted by 45 states this year may turn children into "little mathematicians" who don't know how to do actual math. A few weeks ago, I wrote an article for TheAtlantic.com ...
Hosted on MSN

Multiply 3-Digit and 2-Digit Numbers

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