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  4. Operations on Algebraic Expressions
  5. Addition and Subtraction of Algebraic Expressions

Grade 7 Sri Lanka School Math Addition and Subtraction of Algebraic Expressions

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Grade 7
1. Rational Numbers
2. Integers
3. Fractions
4. Decimals
5. Ratio and Proportion
6. Unitary Method
7. Percentage
8. Profit and Loss
9. Simple Interest
10. Exponents
11. Algebraic Expressions
11.1. Variables and Constants
11.2. Types of Algebraic Expressions
11.3. Operations on Algebraic Expressions
11.3.1. Addition of Algebraic Expressions
11.3.2. Subtraction of Algebraic Expressions
11.3.3. Addition and Subtraction of Algebraic Expressions
11.3.4. Multiplication of Algebraic Expressions
12. Linear Equations in One Variable
13. Mensuration
14. Geometry
15. Reflection and Rotational Symmetry
16. Three-Dimensional Shapes
17. Probability
18. Data Handling
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