Key to Percents Book 3

Strengthen Your Students' Mental Computation Skills. This Key to Percents series first emphasizes mental computation and estimation skills—because 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. There are 3 books in this series. Book 3 focuses on Percents and Decimals. 48 pages. Softcover. Grades 4-12. Answers and notes are available separately.