Cálculo mental +9

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Age: 7-10
Level: 1º,2º,3º
Language: Spanish (es)
ID: 2249348
20/12/2022
Country code: ES
Country: Spain
School subject: Matemáticas (1061956)
Main content: Mates (2012995)
From worksheet author:

Practicamos suma mental con 9 con la estrategia sumo 10 y resto 1.

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Cálculo mental +9

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