Table of Contents

1 Ratios and Percents
 11 Ratios

12 Writing Ratios as Fractions
 13 Simplifying Ratios

14 Ratios in Measurement
 15 More Problems on Ratios
 16 Direct Proportion
 17 Inverse Proportion
 18 Scales and Map Problems
 19 Writing Percentages as Fractions and Decimals
 110 Writing Fractions and Decimals as Percentages

111 Expressing One Quantity as a Percentage of Another
 112 Finding a Given Percentage of an Amount

2 Basic Geometry
 21 Points, Lines and Planes
 22 Angles
 23 Types of Angles
 24 Measuring Angles
 25 Complementary Angles
 26 Supplementary Angles
 27 Vertically Opposite Angles
 28 Angles at a Point
 29 Parallel Lines and Angles

210 Geometric Constructions
 2101 Bisecting an Angle
 2102 Copying an Angle
 2103 Bisecting a Line

2104 Dropping a Perpendicular onto a Line
 2105 Drawing a Perpendicular at a Point on a Line
 2106 Constructing Parallel Lines

3 Polygons
 31 Types of Triangles
 32 Sum of the Angles of a Triangle
 33 Exterior Angle of a Triangle
 34 Constructing Triangles
 35 Sum of the Angles of a Quadrilateral
 36 Types of a Quadrilateral
 37 Constructing Quadrilaterals
 38 Types of Polygons

4 Measurement of Plane Figures
 41 Perimeter
 42 Perimeter of Rectangles and Squares

43 Area
 431 Area of Squares and Rectangles
 432 Area of a Triangle
 433 Area of Parallelograms
 434 Area of Trapezoid

44 Circles
 441 Circumference of Circles
 442 Area of a Circle
 45 Converting Square Units

5 Measurement of Plane Figures
 51 Total Surface Area
 52 Total Surface Area of a Cylinder

53 Volume
 531 Volumes of Cubes and Parallelograms
 532 Volume of Prisms
 533 Volume of Cylinders
 54 Converting Square Units
 55 Density

6 Representing Statistical Data
 61 Pictographs
 62 Bar Graph
 63 Graphing by Pie Charts
 64 Frequency Distribution for Ungrouped Data
 65 Histograms
 66 Broken Line Graph
 67 Dot Plots
 68 Stem and Leaf Diagrams