Addition strategies within 10 (or 20) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.


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Naslov Addition strategies within 10 (or 20)
Opis This lesson emphasizes explicit representations of addition expressions and solutions. The sim allows for students to solve using Ten Frames, free objects, or a linear representation that can function like a number line. These tools can support various direct modeling and counting strategies. This lesson focuses on the use of the Lab screen specifically because it does not provide immediate feedback regarding the total number of objects. (If feedback is desired, a class could use the Ten screen instead.)
Subjekt Matematika
Nivo K-5 (OŠ)
Tip Guided Activity
Trajanje 30 minuta
Uključen odgovor Ne
Jezik Engleski
Ključne riječi add, addition, compose, decompose
Simulacije Igre sa brojevima (HTML5)


Autori: Ian Whitacre, Dom Carorora, Azar Kamaldar
Škola / Organizacija Florida State University
Poslato 9/11/23
Obnovljeno 10/14/23