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![Guia 3 de trabajo contar dobles mitades , segundo basico, matematicas](https://profe.social/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBd2dvQmc9PSIsImV4cCI6bnVsbCwicHVyIjoiYmxvYl9pZCJ9fQ==--375e29ea79b4b68d9e4911933f239123cd78af2d/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdDVG9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RkhKbGMybDZaVjkwYjE5c2FXMXBkRnNIYVFKWUFta0NoQU02QzJ4dllXUmxjbnNHT2dsd1lXZGxhUUE2REdOdmJuWmxjblE2Q1hkbFluQT0iLCJleHAiOm51bGwsInB1ciI6InZhcmlhdGlvbiJ9fQ==--deb6266f7a80aa2aa4c4b1597082904ce6899af1/preview-20527-2.jpg)
ProfeCoins
5
Downloads count | 12 |
Resource type | Worksheet |
Recommended age | 7 - 9 years |
File information | docx, 3 pages, 244 KB |
OA 06
Describir y aplicar estrategias de cálculo mental para adiciones y sustracciones hasta 20: completar 10; usar dobles y mitades; "uno más uno menos"; "dos más dos menos"; usar la reversibilidad de las operaciones
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