by Grupo Santillana · Santillana Educación, S.L. · tapa blanda · ISBN 9788468013961
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«Problemes 1 amb solucionari» is the problem workbook by Grupo Santillana, published by Santillana Educación in paperback (32 pages, in Catalan).
The workbook presents problems and operations to practise addition with two and three addends and subtraction without carrying, always with numbers up to 39. It includes an answer key to check results and allows autonomous work.
It belongs to the Santillana Quaderns collection, of which it is number 1; its first edition was published in 2012.
Designed as reinforcement material for first-year primary education students, it is useful both in the classroom and for working at home.
