Contents

GLOSSARY

INTRODUCTION

Review of common fraction concept

Concept of

Terms of a fraction

Equivalent fractions

Finding the fractional values of abstract numbers

RATIO

Basic comcept of division

The partitive concept of division

The comparison concept of division

Exercise 1

Homework control

Equivalent ratios

Converting common fractions and mixed numbers to the whole numbers rations

Exercise 2

Exercises 3 - 4

Word problems

Exerceriss 5 - 6

PROPORATION

Simple proportions

Terms of a proportion

The principle of a proportion

Summary

Solution of simple proportion problems

Procedure of solving problems

Exercises 8 - 9

The mean proportional

Exercises 10 - 11

Direct proportion

The concept of rate

Exercises 12 - 17

Inverse proportion

Exercises 18 - 20

PERCENTS

The percent rate

Exercises 21 - 22

Exercise 25

Exercise 26

Exercise 27

Finding what percent one number is of another

Solutions of percentage's problems

Exercises 28 - 34

MATH TEXTBOOKS

Camel puzzle

Alternative solution

Brick Arithmetic

The painting-the-room-problem

Alternative method of solution

Mathquest eight

Finding a percent of a number

Finding the percent one number of another

Finding a number when a percent of it is known

Alternative method of solution of percentage

Puzzles, games

Answers