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Grade 6
1. Large Numbers (7-Digit to 9-Digits)
1.1. Representation of Large Numbers
1.2. Successor and Predecessor
1.3. n Digit Numbers
1.4. Place of a Digit
1.5. Compare Large Numbers
1.6. Operations on Large Numbers
1.7. Rounding Numbers
2. Roman Numerals
2.1. Introduction to Roman Numerals
2.2. Write Roman Numerals for Natural Numbers
2.3. Write Natural Numbers for Roman Numerals
2.4. Meaningless Roman Numerals
2.5. Compare Roman Numerals
2.6. Operations on Roman Numerals
2.7. Word Problems on Basic Arithmetic Using Roman Numerals
3. Whole Numbers
3.1. Introduction to Natural Numbers and Whole Numbers
3.2. Operations on Whole Numbers
4. Integers
4.1. Introduction to Integers
4.2. Representation of Integers on a Number Line
4.3. Successor and Predecessor of an Integer
4.4. Comparing Integers
4.5. Absolute Value of an Integer
4.6. Operations on Integers
5. Factors and Multiples
5.1. Factors and Multiples of a Number
5.2. Tests of Divisibility
5.3. Prime Factorization of a Number
5.4. HCF and LCM
6. Fractions
6.1. Fraction and Fractional numbers
6.2. Fractions on a Number Line
6.3. Fraction as a Part of a Collection
6.4. Fractional Part of a Collection
6.5. Identifying Like and Unlike Fractions
6.6. Unit Fraction
6.7. Proper, Improper and Mixed Fractions
6.8. Equivalent Fractions
6.9. Simplest Form of a Fraction
6.10. Comparing Fractions
6.11. Operations on Fractions
7. Decimals
7.1. Introduction And Reading a Decimal Number
7.2. Place Value Chart
7.3. Expanded Form of Decimal Numbers
7.4. Like, Unlike And Equivalent Decimals
7.5. Ordering And Comparing Decimals
7.6. Relate Decimals and Fractions
7.7. Addition and Subtraction of Decimals
7.8. Multiplication and Division of Decimals
8. Simplification
8.1. Numerical Expressions (PEMDAS/BODMAS)
9. Ratio and Proportion
9.1. Ratio
9.2. Proportion
9.3. Word Problems On Ratio And Proportion
10. Unitary Method
11. Algebraic Expressions
11.1. Operations on Literals and Numbers
11.2. Variables and Constants
11.3. Powers of a Literal And Coefficients of an Algebraic Expression
12. Linear Equations in One Variable
12.1. Understanding Linear Equation
12.2. Writing Statements as Equations and Vice Versa
12.3. Verify that the Given Solution is the Solution of the Linear Equation
12.4. Solving Linear Equations
12.5. Word Problems Based on Linear Equations
13. Mensuration
13.1. Area of a Figure Composed of Unit Squares
13.2. Perimeter of a Figure Composed of Unit Squares
13.3. Perimeter of a Triangle
13.4. Perimeter of Polygons
13.5. Area and Perimeter of a Rectangle
13.6. Area and Perimeter of a Square
13.7. Circumference of a Circle
14. Geometry
14.1. Understand the Basic Terms in Geometry (Point, Line, Line Segment, Ray, and Plane)
14.2. Types of Lines
14.3. Collinear and Non-Collinear Points
14.4. Angle
14.5. Triangles
14.6. Quadrilateral
14.7. Polygon
14.8. Circle
15. Three Dimensional (3-D) Shapes
15.1. Identifying 3-D Shapes
15.2. Faces, Edges and Vertices of 3-D Shapes (Cuboid, Cube, Cone, Cylinder, Sphere, Pyramid and Prism)
16. Linear Symmetry
16.1. Linear Symmetry Around Us
16.2. Linear Symmetry in Geometric Figures and Alphabets
17. Data Handling
17.1. Introduction and Tabular Representation of Data
17.2. Pictographs
17.3. Bar graphs

Grade 6 Sri Lanka School Math Grade 6

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