
by Ramón Rubio Silvestre · Editorial Rubio · tapa blanda · ISBN 9788485109630

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«Problemas Rubio 8» is the math problem workbook by Ramón Rubio Silvestre, published by Editorial Rubio in paperback (20 pages, in Spanish).
The workbook takes everyday situations —for example, calculating how many years three children add up to— to practice solving math problems. The activities work on reasoning with numbers, understanding the statement and calculation with addition and subtraction, in a workbook designed to consolidate basic math skills.
«Problemas Rubio 8» belongs to the «Operaciones y Problemas RUBIO» collection as number 8 and is presented in A5 format; the original edition is from 1977.
It is aimed at children aged 6 to 7 as math reinforcement material in primary education.

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