Ben Franklin and the Magic Squares [平装] [5岁及以上] 下载 mobi epub pdf 电子书 2025

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内容简介

A funny, entertaining introduction to Ben Franklin and his many inventions, including the story of how he created the "magic square." A magic square is a box of nine numbers arranged so that any line of three numbers adds up to the same number, including on the diagonal! Teachers and kids will love finding out about this popular teaching tool that is still used in elementary schools today!

精彩书评

"In this lively offering from the Step into Reading + Math series, young readers will learn about both Benjamin Franklin and magic squares--square grids of numerals in which all the numbers in any vertical, horizontal, or diagonal row adds up to the same sum. The text introduces Franklin as a smart, curious kid whose ideas led him to "inventing cool things"; as a witty, intelligent man whose ideas were the seeds of America's first library, fire station, and hospital; and as a "super busy guy" who amused himself during meetings of the Pennsylvania Colonial Assembly by creating magic squares. An appended section offers step-by-step directions for those who want to construct their own versions of the mathematical puzzle. The engaging, informal style of the writing and the colorful, cartoonlike illustrations make this a playful but solid choice for introducing young readers to Franklin and to magic squares."
--Booklist
Ben Franklin and the Magic Squares [平装] [5岁及以上] 下载 mobi epub pdf txt 电子书 格式

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The Absorbent Mind

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作　　者/Author: Frank Murphy （弗兰克·墨菲） 著

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物美价廉，兰登书屋棒！

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所属分类/Category: 图书 > 英文原版书 > Children's Books（儿童图书）

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活动的时候买了很多，原版书不错

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我采用的方法是每天读20分钟绘本，就可以获得20分钟动画奖励。要求朗读而不是默读。能自然拼读过去的不强求，读错一点也没关系，读不出来的要查字典。

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兰登书屋这个儿童读物分级系列不错！一直在买，一直结合孩子的阅读和成长特点，再给他选择适合的主题读物，有内容有一定难度坡度的。孩子读下去水平一定会有提高。

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尺寸及重量/Dimensions & Weight: 12.19x0.51x21.84cm

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读绘本需要鼓励。我的孩子并不热爱阅读。在声光效果丰富多彩的多媒体时代，保持阅读的习惯确实需要被鼓励。当然在我的幼年完全是自然而然，一气呵成的。

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