Class 9 || C.Math || Syllabus || by CDC
Unit 1 : Sets (Q. No. 1)
- Introduction to Sets
- Cardinality of the Sets
Unit 2 : Arithmetic (Q. No. 2, 3 and 4)
- Taxation : tax, value added tax (VAT)
- Commission, Bonus and Dividend
- Household Arithmetic : Electricity and water bill, Telephone bill, Taxi fare
Unit 3 : Mensuration (Q. No. 5, 6 and 7)
- Area : of plane figure , 4 walls, ceiling and floor
- Prism :area and volume
- Cylinder and Sphere : cylinder, sphere and hemisphere
Unit 4 : Algebra (Q. No. 8, 9 and 10)
- Sequence and series : Arithmetic and Geometric
- Factorization of Algebraic Expression
- HCF and LCM
- Simultaneous Linear Equations
- Laws of Indices
Unit 5 : Geometry (Q. No. 11, 12 and 13)
- Triangles
- Quadrilateral
- Construction
- Circle
Unit 6 : Statistics and Probability (Q. No. 14 and 15)
- Mean, Median, Mode, Quartiles
- Classical and empirical probability
Unit 7 : Trigonometry (Q. No. 16)
- Fundamental T-Ratios
- T-Ratios of Standard Angles
Important Definition:
1. Taxation : it means the process by which the government collect money from individual and organizations in the form of taxes to run the country and provide the public services.
2. Tax : A tax is compulsory payment made by citizens and business to the government.
3. Types of tax : Direct tax and Indirect tax
4. Direct tax : Tax paid directly by the person or organization to the government. For example: Income Tax, Corporate Tax, Property Tax etc.
5. Indirect Tax: Tax paid indirectly while buying goods or services. Example: VAT, Custom Duty, Excise Duty
Simple example: If you earn money from a job or business, you may have to pay income tax. When you buy certain goods and services, you may also pay VAT.
6. Taxable Income = Annual Income - Allowable Deduction
7. SST ( Social Security Tax) = Taxable amount * SST rate / 100
8. Total Income : Salary + Allowance + other income
9. Taxable Income = salary + all types of allowances + bonus - PF - SST - Insurance Premium
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