9787302565529 - 火花数感分级培养级10以内的本源建构第二级10以内数差数关系第三级10以内数分合关系第四级20以内数感大贯通第五级大数加减法 (1 resultados)
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Librería: liu xing, Nanjing, JS, Chinaliu xing
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 91,18
Envío por EUR 15,69Se envía de China a Estados Unidos de AmericaCantidad disponible: 3 disponibles
paperback. Condición: New. Language:Chinese.Paperback.Pub Date:2021-01-01 Pages:160 Publisher: Tsinghua University Press Some children have low calculation accuracy. slow speed. and carelessness. The root cause is that they do not have a good number sense basis.?Before learning addition and subtraction. you must know the relatio…nship between numbers within 10. the difference between perceived numbers. and understand what is more and less in the mathematical sense.?This book Spark Number Sense Grading and Training Level.
