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Abacus Mathematics
 

4A

Your subscription will expire after 120 days. During the 120 days, you will have access to all classes and tests for the 4A level. It's very possible for a student to finish one semester materials in a short time. It's totally up to you!

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

Chapter 1 Whole Number
1 Numbers to 100,000
2 Rounding Off Numbers
3 Factors, Common Factors, Greatest Common Factor (GCF)
Rules of Divisibility
4 Multiples, Common Multiples, Least Common Multiple (LCM)
GCF and LCM: bus method
Prime and Composite Numbers

Chapter 2 Multiplication and Division of Whole Numbers
1 Multiplication by a 1-digit number
1 Division by a 1-digit a Number and by 10
2 Multiplication by a 2-digit Number

Chapter 3 Fractions
1 Adding Fractions
2 Subtracting Fractions
3 Mixed Numbers
4 Improper Fractions
5 Fraction of a Set

Chapter 4 Tables and Graphs
1 Presenting Data

Chapter 5 Angles
1 Measuring Angles

Chapter 6 Perpendicular and Parallel Lines
1 Perpendicular Lines
2 Parallel Lines

Chapter 7 Area and Perimeter
1 Rectangles and Squares
2 Composite Figures

 

 
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Lesson 3.5. Fractions: Fraction of a Set


 
 
 
 

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