Subtraction stories A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.


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Sernav Subtraction stories
Danasîn Students are given subtraction story problems to solve. Specifically, the problem types are Take From, Result Unknown, or Compare Difference Unknown. They use the tools available on the Lab screen to help them solve and/or to represent their thinking (e.g., if they solve mentally or on their fingers).
Mijar Bîrkarî
Ast K-5
Cure Guided Activity
Dem 30 xulek
Bersîvan Dihewîne Na
Ziman Îngilizî
Peyvên Girîng add on, compare, compose, decompose, result unknown, subtraction, take away
Şêwekar Number Play (HTML5)


Nivîskar Ian Whitacre, Dom Carorora, Azar Kamaldar
Dibistan / Organîzasyon Florida State University
Şandin 9/11/23
Rojanekirin 10/14/23