Life of Fred: Decimals and Percents

By: Stanley F. Schmidt Ph.D. 

Decimals and Percents is the second book in the Life of Fred Arithmetic Series, which is designed for students who have completed the elementary & intermediate series books, and are at least in the 5th Grade.

Thirty-three chapters are included, each of which ends with a "Your Turn to Play" segment with three or four questions. Answers are provided on the next page for students to go over themselves after attempting to solve the problems. "The Bridge" review questions are given after every five chapters, and provide transitions between concepts as well as a means of assessment. For parents who choose to use these sections as evaluation tools, it is recommended that students score at least 90% (9 out of 10 questions) before moving on. If students don't succeed, they can try again with a total of five different sets of ten problems. The book concludes with "The Final Bridge" which features twenty questions (with five tries again provided). Answers to the Bridge questions are provided in the back of the book.

Decimals and Percents covers: Number Systems, Adding and Subtracting Decimals, Multiplying by Ten, Functions and Inverse Functions, Pi, Multiplying Decimals, Whole Numbers, Squaring a Number, Subtracting Mixed Units, Sets and Subsets, Union and Intersection of Sets, Rules of Divisibility, Division of Decimals, Repeating Decimals, Bar Graphs, Prime and Composite Numbers, Consecutive Numbers, the Goldbach Conjecture, Area of a Circle, Dollars vs. Cents, Pie Charts, Conversion between Percents/ Fractions/ Decimals, 40% of 15, 30% off, Distance Equals Rate Times Time, 15% more, Area of a Triangle, Square Roots, Area of a Parallelogram, 13 Is What Percent of 52, Ratio, Ordered Pairs, Graphing, Negative Numbers, Elapsed Time, Probability.

Click here for sample pages.