Sumas y restas

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Realizar las siguientes sumas y restas 

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4. Bar model

Addition and Subtraction - Math

Виконай завдання за зразком

Numbers to 20

Addition and Subtraction - Math

Contar y marcar la alternativa correcta

Sumas con Regletas Cuisenaire

Addition and Subtraction - Math

Resuelve las sumas con el valor de cada regleta.

Addition DJ

Addition and Subtraction - Math

add by counting on