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　　分類: 图书,少儿,少儿原版书,

作者： Joanne Rocklin 著

出 版 社： Oversea Publishing House

出版时间： 1999-1-1字数：版次： 1页数：印刷时间：开本： 16开印次： 1纸张：I S B N ： 078073003990包装： 平装内容简介

Gr 1-3-Why is P.B.'s allowance shrinking? He is not spending the money but the amount sitting in his peanut-butter jar looks smaller than it did the day before. With the help of his friends Mike and Maria, P.B. catches his sister red-handed. Jill is not guilty of stealing, however; she was simply making change. This math-series entry explores the concepts of money and measurement in an easily resolved mystery. The aim here is to use the story as a starting point for further activities involving coins, currency, estimation, and logical reasoning. Parents looking for ways to reinforce basic arithmetic skills will appreciate the hints and guided questions at the end of the story. A solid addition to math sections.-Maura Bresnahan, Shawsheen School, Andover, MA。

 

 

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