Long used as a math remedial program, these text / workbooks are sequential and topic based without any reference to the grade level.
Key to Percents 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. Strengthen Your Students' Mental Computation Skills
- Book 1: Decimal Concepts
- Book 2:Adding, Subracting, and Multiplying
- Book 3: Dividing
- Book 4: Using Decimals
Key to Decimals Sample Pages