When a quick guess is needed to count something, rounding can make math faster and fun! Read about two friends who are h... MoreRounding
Mr. Santiago's class is going to the zoo. Children can follow along on the class trip and learn how percentages, ratios,... MorePercentage
Ann's grandfather is teaching her how to use a calculator. This simple, engaging book describes the parts of the calcula... MoreUsing a Calculator
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