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The topics that will be covered in this textbook include the followings:

Chapter 1 Whole Numbers

1 Place Values

2 Millions

3 Approximation and Estimation

4 Multiplying by Tens, Hundreds or Thousands

5 Dividing by Tens, Hundreds or Thousands

6 Order of Operations

7 Word Problems and Line Model

Chapter 2 Multiplication and Division by a 2-digit Whole Number

1 Multiplication

2 Division

Chapter 3 Fractions

1 Fraction and Division

2 Addition and Subtraction of Unlike Fractions

3 Addition and Subtraction of Mixed Numbers

4 Product of a Fraction and a Whole Number

5 Product of Fractions

6 Dividing a Fraction by a Whole Number

7 Word Problems

Chapter 4 Area of Triangle

1 Finding the Area of a Triangle

Chapter 5 Ratio

1 Finding Ratio

2 Equivalent Ratios

3 Comparing Three Quantities

Chapter 6 Angles

1 Measuring Angles

2 Finding Unknown Angles

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