# Alignment: Libya • Mathematics • Grade Eight of Basic Education

Use Nagwa in conjunction with your preferred textbook. The recommended lessons from Nagwa for each section of this textbook are provided below. This alignment is not affiliated with, sponsored by, or endorsed by the publisher of the referenced textbook. Nagwa is a registered trademark of Nagwa Limited. All other trademarks and registered trademarks are the property of their respective owners.

• 1 Ratios and Percents
• 1-1 Ratios
• 1-2 Writing Ratios as Fractions
• 1-3 Simplifying Ratios
• 1-4 Ratios in Measurement
• 1-5 More Problems on Ratios
• 1-6 Direct Proportion
• 1-7 Inverse Proportion
• 1-8 Scales and Map Problems
• 1-9 Writing Percentages as Fractions and Decimals
• 1-10 Writing Fractions and Decimals as Percentages
• 1-11 Expressing One Quantity as a Percentage of Another
• 1-12 Finding a Given Percentage of an Amount
• 2 Basic Geometry
• 2-1 Points, Lines and Planes
• 2-2 Angles
• 2-3 Types of Angles
• 2-4 Measuring Angles
• 2-5 Complementary Angles
• 2-6 Supplementary Angles
• 2-7 Vertically Opposite Angles
• 2-8 Angles at a Point
• 2-9 Parallel Lines and Angles
• 2-10 Geometric Constructions
• 2-10-1 Bisecting an Angle
• 2-10-2 Copying an Angle
• 2-10-3 Bisecting a Line
• 2-10-4 Dropping a Perpendicular onto a Line
• 2-10-5 Drawing a Perpendicular at a Point on a Line
• 2-10-6 Constructing Parallel Lines
• 3 Polygons
• 3-1 Types of Triangles
• 3-2 Sum of the Angles of a Triangle
• 3-3 Exterior Angle of a Triangle
• 3-4 Constructing Triangles
• 3-5 Sum of the Angles of a Quadrilateral
• 3-6 Types of a Quadrilateral
• 3-8 Types of Polygons
• 4 Measurement of Plane Figures
• 4-1 Perimeter
• 4-2 Perimeter of Rectangles and Squares
• 4-3 Area
• 4-3-1 Area of Squares and Rectangles
• 4-3-2 Area of a Triangle
• 4-3-3 Area of Parallelograms
• 4-3-4 Area of Trapezoid
• 4-4 Circles
• 4-4-1 Circumference of Circles
• 4-4-2 Area of a Circle
• 4-5 Converting Square Units
• 5 Measurement of Plane Figures
• 5-1 Total Surface Area
• 5-2 Total Surface Area of a Cylinder
• 5-3 Volume
• 5-3-1 Volumes of Cubes and Parallelograms
• 5-3-2 Volume of Prisms
• 5-3-3 Volume of Cylinders
• 5-4 Converting Square Units
• 5-5 Density
• 6 Representing Statistical Data
• 6-1 Pictographs
• 6-2 Bar Graph
• 6-3 Graphing by Pie Charts
• 6-4 Frequency Distribution for Ungrouped Data
• 6-5 Histograms
• 6-6 Broken Line Graph
• 6-7 Dot Plots
• 6-8 Stem and Leaf Diagrams