This video follows up on the previous blog post, on understanding multiplication. Put in the time now and get this foundational understanding laid right.
What does “solve 3 x 8” mean? There are actually two crucial pieces of information to parse for this to mean anything. “x” means “groups of” First off, the [...]
I posted a little while ago about the importance of representations in subtraction. Today, I’m sharing a followup video on how to extend that understanding of fractions to [...]
A teacher named Mark Esch emailed me recently to ask about using one of our classroom games, Horseshoes, in a movie he wanted to make. When he sent it to me, I was blown away. It’s fun, and does a great job explaining the game. But [...]
We’re in the final stretch of the Kickstarter campaign now! The last ten days will determine just how successful the campaign is. Keep spreading the word, and hopefully we’ll get to 4x of our campaign target, hit all the [...]
I recently committed to donate up to 1000 Tiny Polka Dot games if people could help us find good homes for them. Within four hours of a mass email going out, 359 people had filled [...]
In a recent blog post I talked about the importance of starting from where things make sense. This may be one of the best ways to help your kids with math at home. If you [...]
Meditation on the Distributive Property In other news, I’ve been thinking about the distributive property. It’s usually summarized algebraically as: a x (b + c) = (a x b) + (a x c) A more general formulation is the old [...]
I’d always thought flash cards would be one of those things I’d never do. But at some point, I realized that the problem wasn’t the genre, it was the execution. Flash cards were either context-free or cluttered with [...]
News: A new Kickstarter next week Many of you may know our games, Tiny Polka Dot and Prime Climb. Both were originally launched on kickstarter.com. And coming next week, we’re going to have a new campaign, for a new product that has [...]
In the last post I gave an overview of ideas to help have productive and joyful math conversations at home. Now let’s drill down on one of those ideas. The concept is [...]
School is canceled, you barely leave the house, and you have a child you’re trying to help learn math. You’re going to be having more math conversations than you used [...]
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