9787302565529 - 火花数感分级培养第二级 10以内数的差数关系 火花思维研发中心 学前班幼升小数学思维训练借十法凑十法 (1 risultati)
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Da: liu xing, Nanjing, JS, Cinaliu xing
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 91,18
EUR 15,69 spedizioneSpedito da Cina a U.S.A.Quantità: 3 disponibili
paperback. Condizione: 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 relati…onship 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.
