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  • Writer's pictureSuzie Olsen

Edible Math: Egg Carton Counting

Updated: Jun 18, 2021

Hi STEM Sparkers! Not that long ago I asked our readers to provide feedback on what you'd like to see more of on this blog. One smart reader commented that they'd like to see more Earth friendly STEM and STEAM activities, and I thought since April is Earth Awareness Month, to coincide with Earth Day, let's do some 3R (reduce, reuse, recycle) projects on STEM Spark!

First up is an Egg Carton Counting activity. If you have some left over candy from Easter, Passover, or let's be honest maybe even Halloween/Winter Holidays, then you'll appreciate using up that candy for some Edible Math. Plus the Egg Carton Counting activity is super easy to pull together. I don't know about you, but I really appreciate easy STEM and STEAM projects. Gives me more time to nap.

You'll Need

Egg Carton

Marker (Sharpie is recommended)



1) Label numbers in the bottom of the egg carton.

2) Now it's time to count. Match number of candy to number in bottom of the egg carton.

If you don't have candy, then you can use miniature marshmallows, dried beans, rice, buttons, craft pom-poms, and so on. Please just watch young children around potential chocking hazards. For older children you can challenge them with addition, subtraction, multiplication or division questions. Then they can answer by placing candy in the corresponding number.

Leave me a comment for other math ideas with an egg carton; I always like hearing from our readers! Don't forget to recycle the egg carton when no longer using it (assuming your local recycling agency takes them). And please stay tuned for more fun Earth friendly activities and an Earth Day giveaway you won't want to miss! Thanks and happy STEM-ing!

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