Small preschool classroom preparatory classes : addition and subtraction within 20 ( upgrade version )(Chinese Edition) - Tapa blanda

Paperback. Pub Date :2010-01-01 Pages: 76 Language: Chinese Publisher: Surveying and Mapping Press small classroom Preschool Prep : 20 less than addition and subtraction ( upgrade version ) According to the latest Ministry of Education issued the Guidelines for Kindergarten Education Writing with the new curriculum teaching first grade complete convergence . to help children hands-on brain . mastery learning methods to improve the learning ability. let the children enter primary school one step ahead . Contents: Figure made ??20 consecutive title bar formula even less than the number of plug- column formula 20 less than the number of even less than the number of adder adder 20 less than the number calculated 20 vertical format calculated binary addition and subtraction by addition pyramid pyramid subtraction 20 or less 20 or less adjacent to fill the number of the number of ...