一個盯著螞蟻看的男孩突然想到一道有趣但又難的數學題。如果螞蟻不斷相互碰撞並改變方向，牠們需要多久的時間才能從棍子上掉下來？這聽起來像是一個不可能解開的謎題嗎？並非如此！讓我們一起繼續讀下去，看看男孩如何找出巧妙解決方案！

《我是數學明星！》系列作者群是由新加坡過立教育學院(NIE)教授們所組成，系列書以故事形式呈現具有挑戰性的數學難題，透過引人入勝的故事情節，並使用各種數學啟發式教學技巧，逐步描述並帶領讀者解決難題，這些教學技巧也是新加坡知名的數學教學的一部分。透過插圖和有趣的故事情節，小讀者將在學習數學的路上受到啟發，提升理解力、學習數學表示和解決有趣的數學問題！

本書附有知名數學教師Yeap Ban Har 博士所提供的課後習題與解答。


A boy staring at ants suddenly thinks of a fun but difficult Maths problem. How long will it take the ants to fall off the stick he''s looking at, if they keep bumping into each other and changing directions? Does this sound impossible to solve? It isn''t! Read on to find out the boy''s ingenious solution!

The I''m a Maths Star! series comprises challenging Maths puzzles, presented in story form. Puzzles are described and then solved, step-by-step, through an engaging storyline, and using various Maths heuristic techniques that are also taught as part of the world renowned Singapore Maths curriculum. Through illustrations and an engaging storyline, children will learn Maths heuristics, and be inspired to persevere in understanding, representing, and solving fun and intriguing Maths problems!

Includes a Guide to Problem-solving by Yeap Ban Har!