Your challenge is to find the sumWithout counting one by oneWhy not count? It's much too slow --Adding is the way to go!Make clever groups before you start --Then add them in a way that's smart! MATH FOR ALL SEASONS will challenge every kid -- and every parent -- to open their minds and solve problems in new and unexpected ways. By looking for patterns, symmetries, and familiar number combinations within eye-catching pictures, math will become easier, quicker, and more fun than anyone could have imagined!
發表於2025-01-07
mind-stretching math riddles MATH for All Seasons 2025 pdf epub mobi 電子書 下載
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mind-stretching math riddles MATH for All Seasons 2025 pdf epub mobi 電子書 下載