mind-stretching math riddles MATH for All Seasons 在線電子書 圖書標籤:
發表於2024-11-10
mind-stretching math riddles MATH for All Seasons 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024
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!
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mind-stretching math riddles MATH for All Seasons 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024