What’s the Longest Number String Possible?

Friday, April 3rd, 2020
I just learned about Factors and Multiples, a shelter-at-home game that’s engaging as solitaire and can be played as a two-person game either cooperatively or competitively. (I’ve played it both ways.) It’s intriguing for both adults and kids (as long as players know about factors and multiples of numbers up to 100). It’s a keeper.

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What Are Good Math Questions to Ask Students?

Tuesday, March 17th, 2020
Good Questions for Math Teaching is a Math Solutions book that has long been one of my favorites. It’s a resource that I dip into when I feel the need for something fresh. And it speaks directly to our current shelter-in-place coronavirus crisis as many of us look for ways to mathematically engage students online, children at home, or both. Here are samples to get you started. I’ll continue to post more ideas on Twitter (@mburnsmath).

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One of My All Time Favorite Games

Monday, December 9th, 2019
I’m a huge fan of math games, especially when they involve both strategic thinking and luck. And I’m always on the search for games that work with a span of grade levels. The Two-Dice Sums Game fits both. Learn about the game and read the letters of advice that 7th graders wrote to 2nd graders.

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Algorithms Are Not Enough!

Tuesday, February 19th, 2019
Last year, I agreed to meet with a friend’s sixth-grade son. Oscar’s math teacher had raised an alarm for my friend and her husband about Oscar’s math progress. They were shocked. Oscar did his homework and was proficient with paper-and-pencil math. What was the problem?

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When You Multiply by 10, Just Add a Zero? Horrors!?!

Monday, October 1st, 2018
Have you ever asked students to solve 12.6 x 10, and they respond that the answer is 12.60? I have, many times. Students who do this apply a pattern that works when they multiply whole numbers by 10—they tack on a zero to the end of the number they’re multiplying. But then they apply the same pattern when working with decimals. What can we do?
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