Math Start Level 3 Less than Zero

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《MathStart》系列為美國HarperCollins出版的暢銷數學啟蒙書。作者Stuart J. Murphy認為數學與日常生活息息相關,他為了建立小朋友基礎的數學概念與知識,讓小朋友輕鬆愉快地學習數學,因而精心設計了這套生活化的《MathStart》數學啟蒙繪本,從生活話題與情境故事,讓小朋友有效地吸收數學概念。

全系列分為三個Level,Level 3 包含進階的數字計算(如乘、除法)學習,與思考邏輯的強化。

《Less than Zero》透過故事帶出《負數》概念。企鵝Perry需要 9 顆蛤蠣才能買一台冰上滑板車,但他卻不大會存錢,忍不住又花錢買了其他東西;讓我們幫Perry來算一算它賺了、花了、找了、輸了、借了多少顆蛤蠣,用簡單的線圖計算一下他朂終能否買滑板車啦!



Math Start Level 3 Safari Park


It is so much fun to be a penguin—especially when you can swirl around on your very own ice scooter. Perry really wants one, but they cost 9 clams and he doesn't have a clam to his name. Then mom pays him 4 clams to trim the ice in front of their house. Perry decides to make a chart to track his savings. So far, so good! But then he goes to the Ice Circus with Fuzzy and it costs 5 clams. Fuzzy lends him the extra clam and now Perry is in debt and has to mark his chart at "-1." When Baldy loans him 2 clams for a Fishy Float, the total dips even further, to "-3." Will Perry be able to climb out of negative number territory, pay back his friends, and make enough money for a scooter? Good thing there's always plenty of snow to shovel! 

The introduction of negative numbers extends a child's knowledge of the number system and is an important concept in algebra. 

Books in the same series: 

Math Start Level 3 Safari Park

Paperback / For Ages: 6-8 / 40 pages