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Geometry Smashers

Here’s a geometry-themed adaption of an idea I originally saw on the blog One Mouthful. In the original example, Lia had written numbers on the bottom of an egg carton, and let her preschooler smash the numbers with a toy hammer. Since Jenna(2.5) is still working on visulalization and quantities, instead of numeral recognition, I decided to make a geometry smasher instead. I called out each colored shape, and Jenna smashed away.

The unexpected consequence of this activity, was that Jenna’s older brother Bruce(6.5) was very jealous. He wanted a geometry smasher too! So I thought, why not? I emptied out some eggs in the fridge, and made a geometry smasher for Bruce that concentrated on concepts he has already learned in his third grade Houghton Mifflin Math Expressions book at school.

Here’s the before picture.

Here’s the after picture. Apparently, six and a half year olds like to smash stuff too!


  1. jengod says:

    Fabulous fabulousness.

  2. Kristen says:

    Love this!!!! You can make up a limitless variations of it too and advance it as they go along.

  3. Lia says:

    I guess a 6-year-old smash carries a lot more weight! Love the idea of shapes. I’ve been storing extra egg containers and wondering what to do next. Thx!

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