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


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Tittel Subtraction stories
Omtale 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).
Emne Matematikk
Nivå Barneskule
Type Guided Activity
Tid 30 minutt
Inneheld svar Nei
Språk English
Nøkkelord add on, compare, compose, decompose, result unknown, subtraction, take away
Simuleringar Number Play (HTML5)


Forfattarar Ian Whitacre, Dom Carorora, Azar Kamaldar
Skule / Organisasjon Florida State University
Lasta opp 11.09.23
Oppdatert 14.10.23