Girl and the Birthday Problem

When Miss Cheryl the teacher cheekily sets an IQ puzzle for her student's parents, her student is delighted to find that her parents are able to solve it quickly. But, how did they do it? Let's find out!The I'm a Math Star! series comprises challenging Math puzzles, presented in story form. Puzzles are described and then solved, step-by-step, through an engaging storyline, and using various Math heuristic techniques that are also taught as part of the world renowned Singapore Math curriculum. Through illustrations and an engaging storyline, children will learn Math heuristics, and be inspired to persevere in understanding, representing, and solving fun and intriguing Math problems!