# Life of Fred Decimals and Percents

**Description**

This book covers the second half of the introduction to pre-algebra (after Life of Fred: Fractions). After this book you are ready for pre-algebra.

Read about one afternoon and evening in Fred’s life in which he:

• Builds a robot

• Gets his first pet

• Learns why sea chanties are not popular in some boat rental stores

This book covers second half of the introduction to pre-algebra including . . .

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

And more . . .

Unlike all other math programs, this one also teaches about:

• When Lincoln used the vigesimal system

• When robots have tea parties

• How flossing helped Fred to read books in bed at night

The answers are included in the textbook.