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- Types of Lines
- Identifying the Type of Line
1.2.1. Successor of a Number
1.2.2. Predecessor of a Number
1.3. n Digit Numbers
1.4. Place of a Digit
1.7. Rounding Numbers
1.7.1. Rounding off numbers
1.7.1.1. Rounding off to the nearest ten
1.7.1.2. Rounding off to the nearest hundred
1.7.1.3. Rounding off to the nearest thousand
1.7.2. Estimating Sum
1.7.3. Estimating Difference
1.7.4. Estimating Products
1.7.5. Estimating Quotients
3.2.1.1. Addition of Whole Numbers
3.2.1.3. Solving Magic Square
3.2.1.4. Subtraction of Whole Numbers
3.2.2.1. Multiplication of Whole Numbers
3.2.2.3. Division of Whole Numbers
4. Integers
4.4. Comparing Integers
4.6.1.1. Addition of Integers
4.6.1.3. Properties of Addition of Integers
4.6.1.4. Subtraction of Integers
4.6.2. Mixed Operations on Integers
4.6.3. Word Problems on Integers
5.1.1. Finding Factors of a Number
5.1.5. Types of Numbers
5.1.5.1. Odd and Even Numbers
5.1.5.2. Prime and Composite Numbers
5.1.5.2.1. Understanding Prime and Composite Numbers
5.1.5.2.2. Composite Numbers
5.1.5.2.3. Prime Numbers
5.1.5.2.4. Properties of Composite and Prime Numbers
5.1.5.3. Twin Primes
5.1.5.4. Prime Triplet
5.1.6. Co-Primes
5.1.7. Perfect Numbers
5.2.1. Test Divisibility by 2
5.2.2. Test Divisibility by 3
5.2.3. Test Divisibility by 4
5.2.4. Test Divisibility by 5
5.2.5. Test Divisibility by 6
5.2.6. Test Divisibility by 7
5.2.7. Test Divisibility by 8
5.2.8. Test Divisibility by 9
5.2.9. Test Divisibility by 10
5.2.10. Test Divisibility by 11
5.4. HCF and LCM
5.4.1. HCF (Highest Common Factor)
5.4.2. LCM (Lowest Common Multiple)
5.4.3. Properties of LCM and HCF
5.4.4. Word problems on HCF and LCM
6. Fractions
6.6. Unit Fraction
6.8. Equivalent Fractions
6.10. Comparing Fractions
6.10.1. Comparing Like Fractions
6.10.3. Comparing Unlike Fractions
6.11. Operations on Fractions
6.11.1. Addition of Fractions
6.11.1.1. Addition of Like Fractions
6.11.1.2. Addition of Unlike Fractions
6.11.1.3. Addition of Mixed Fractions
6.11.1.4. Word Problems on Addition of Fractions
6.11.2. Subtraction of Fractions
6.11.2.1. Subtraction of Like Fractions
6.11.2.2. Subtraction of Unlike Fractions
6.11.2.3. Subtraction of Mixed Fractions
7. Decimals
9.1. Ratio
9.2. Proportion
10. Unitary Method
13. Mensuration
14. Geometry
14.2. Types of Lines
14.4. Angle
14.4.1. Introduction to Angles
14.4.4. Types of an Angles
14.5. Triangles
14.5.1. Introduction to Triangles
14.5.3. Types of Triangles by Angles
14.5.4. Angle Sum Property of a Triangle
14.5.5. More about Triangle
14.6. Quadrilateral
14.6.1. Introduction to Quadrilaterals
14.6.2. Special Types of Quadrilateral
14.6.4. More about Quadrilateral
14.7. Polygon
14.7.1. Curves
14.7.2. Understanding Polygons
14.8. Circle
16. Linear Symmetry
17. Data Handling
17.2. Pictographs
17.2.2. Interpreting Pictographs
17.3. Bar graphs
17.3.1. Drawing Bar Graphs
17.3.2. Interpreting Bar Graphs
Grade 6 Sri Lanka School Math Identifying the Type of Line
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