Sue W. (MomWilson) reviewed Key to Percents: Percents and Decimals (Key to Percents, 3) on + 122 more book reviews
Key to Percents Book 3: Percents and Decimals Key to Percents first emphasizes mental computation and estimation skillsbecause most work with percents is done without pencil and paper. Then students are taught to solve percent problems using equal fractions and decimal multiplication. Finally, percents are used to solve word problems in a variety of applications. Key to Percents assumes only a knowledge of fraction and decimal computation.