# Alignment: Sudan • Mathematics • Fourth Grade • Primary 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.

• Introduction
• Revision Exercises
• Exercise (1)
• Exercise (2)
• Exercise (3)
• Exercise (4)
• Exercise (5)
• Exercise (6)
• Chapter One Divisibility and Long Division
• (1-1) Division and Prime Numbers
• (1-2) Divisibility
• (1-3) Odd and Even Numbers
• (1-4) Divisibility by 2
• (1-5) Divisibility by 5
• (1-6) Divisibility by 10
• (1-7) Divisibility by 3
• (1-8) Divisibility by 9
• (1-9) Prime and Composite Numbers
• (1-10) Prime Factor and Non Prime Factor
• (1-11) Multiples of a Number
• Chapter Two ‎Common Fractions
• (2-1) Revising the Concept, Reading, and Writing of a Fraction Whose Numerator Is One
• (2-2) Common Fractions Whose Numerator Is Greater Than One
• (2-3) Types of Fractions
• (2-4) Writing Remainders as Fractions
• (2-5) Converting Improper Fractions into Mixed Numbers
• (2-6) Converting Mixed Numbers into Improper Fractions
• (2-7) Representing Fractions on the Number Line
• (2-8) Equivalent Fractions
• (2-9) Simplifying Fractions
• Chapter Three Measurement
• (3-1) Identifying Meter Submultiples
• (3-2) Word Problems
• (3-3) Meter and Its Multiples
• (3-4) Speed, Distance, and Time
• (3-5) Inches, Feet, and Yards
• (3-6) Adding and Subtracting Yards, Feet, and Inches
• (3-7) Weight Units
• (3-7-1) Weight Units: Grams and Kilograms (From French Units)
• (3-7-2) Pounds and Ounces
• (3-7-3) Dry Measure
• Chapter Four Geometry: A Line Segment, Line, Ray, and Perimeter
• (4-1) A Line Segment, Line, and Ray
• (4-2) Measuring a Line Segment
• (4-3) Perimeter
• (4-4) Perimeter of a Rectangle
• (4-5) Perimeter of a Square
• (4-6) Perimeter of a Triangle
• Chapter Five Operations on Fractions
• (5-2) Subtracting Like Fractions
• (5-3) Multiplying a Whole Number by a Fraction
• (5-4) Multiplying a Fraction by a Whole Number
• (5-5) Multiplying a Fraction by a Fraction
• (5-6) Multiplying a Complex Fraction by a Common Fraction
• (5-7) Reciprocal of a Fraction
• (5-8) Dividing an Integer by a Fraction
• (5-9) Dividing a Fraction by an Integer
• (5-10) Dividing a Fraction by a Fraction
• (5-11) Dividing Complex Fractions
• Chapter Six Geometry: Angles, Intersecting Lines, and Areas
• (6-1) Angles
• (6-2) Intersecting Lines
• (6-3) Parallel Lines
• (6-4) Adjacent and Vertical Angles
• (6-5) Corresponding, Alternate, and Interior Angles
• (6-6) Area
• (6-7) Area of a Rectangle
• (6-8) Area of a Square