Ben Franklin and the Magic Squares [平裝] [5歲及以上] epub pdf mobi txt 電子書 下載 2025

Ben Franklin and the Magic Squares [平裝] [5歲及以上] epub pdf mobi txt 電子書 下載 2025

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Ben Franklin and the Magic Squares [平裝] [5歲及以上] epub pdf mobi txt 電子書 下載 2025

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內容簡介

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!

精彩書評

"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 [平裝] [5歲及以上] epub pdf mobi txt 電子書 下載 2025

Ben Franklin and the Magic Squares [平裝] [5歲及以上] 下載 epub mobi pdf txt 電子書

評分☆☆☆☆☆

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

評分☆☆☆☆☆

存多瞭i can read 係列.在京東,這套step into reading係列橋梁書的摺扣更好, 在618這樣的日子瞭,想收盡所有的好書.起的晚瞭,本大傢搶光瞭,所以隻淘瞭點漏.

評分☆☆☆☆☆

看動畫是一種奬勵，每天時間控製在20分鍾，主要是為瞭保護眼睛。如果孩子非常積極地爭取，通過努力最多可以獲得兩次機會，也就是40分鍾。

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　　多知識結構分級閱讀，是一種橫嚮分級閱讀。其本質就是在多年齡段分級閱讀中，對各類知識的讀物進行科學的、閤理的配比，給少年兒童讀者提供知識結構最好的分級閱讀。例如，在21世紀初，為瞭推動多知識結構閱讀，中國少年兒童齣版社針對中學生讀者推齣瞭由50位世界曆史名人所寫的50部名著集結而成的《“人之初”名著導讀叢書》，選取世界上最優秀的政治類讀物，如柏拉圖的《理想國》，馬剋思、恩格斯的《共産黨宣言》等；文化類讀物，如孔子的《論語》等；文學類讀物，如斯托夫人的《湯姆叔叔的小屋》、但丁的《神麯》等；科枝類讀物，如愛因斯坦的《相對論》等，精編成中學生能看得懂的導讀文本。這套名人名著導讀叢書，受到瞭中學生們的熱烈歡迎。

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這個係列的書都不錯，買瞭屯著。

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作　　者/Author: Frank Murphy （弗蘭剋·墨菲） 著

評分☆☆☆☆☆

評分☆☆☆☆☆

每個環節每天20分鍾左右，長期下來，頗有成效。

評分☆☆☆☆☆

紙張不錯，印刷清晰，是我想要的，謝謝！

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