Santillana Texto Editorial S.A · tapa blanda · ISBN 9788468012407
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«Cálculo mental 4» is the mental arithmetic exercise book published by Santillana Texto Editorial, in paperback (32 pages, in Spanish).
This book presents mental arithmetic activities for pupils in Year 4 of Primary: addition, subtraction and multiplication with numbers up to 9,999. It works on strategies such as counting, grouping, composing, decomposing, sequencing, approximating, ordering and compensating, as well as the commutative and associative properties of addition and multiplication.
It belongs to the SantillanaCuadernos collection, where it is number 4. The cover indicates that it includes an answer key. The publication date is 15 March 2012.
For pupils in Year 4 of Primary who want to practise mental arithmetic and consolidate basic operations with numbers up to 9,999.
