Math Smarts: Tips, Tricks, and Secrets for Making Math More Fun! by Lynette Long, illus. by Tracy McGuinness, does just that, with clever aids such as a cardboard ""Smart Chart"" that slides to reveal ...

Ever dreamt of solving math problems in your head with the speed of a calculator? Mental math might seem challenging, but it's a skill attainable through the right tools and techniques. The abacus, an ...

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