Learning Center
Deerwalk Learning center
Grade 9
Mathematics
Energy Bill Calculation

Energy Bill Calculation

PreviousEnergy Billing Rules NextWater Bill Calculation

Comments

Mathematics

1SETS4 lessons

Operation Of Sets
Problems On Operation Of Sets
Cadinality Of Sets
Problems On Cardinality Of Sets

2PROFIT AND LOSS2 lessons

Introduction To Profit And Loss
Problems Related To Profit And Loss

3COMMISSION AND TAX4 lessons

Commission
Tax
Discount
Commission And Tax - Dividend

4HOME ARITHMETIC5 lessons

Energy Billing Rules
Energy Bill Calculation
Water Bill Calculation
Rules Of Telephone Charge And Bill Calculation
Taxi Bills

5MENSURATION (AREA)5 lessons

Introduction To Area And Area Of Pathways - 1
Area Of Pathways - 2
Cost Of Plastering
Area Of Four Walls And Ceiling
Problems On Area Of Four Walls And Costing

6AREA AND VOLUME OF SOLID OBJECTS3 lessons

Area And Volume Of Solid Objects ( Cuboid And Prism)
Problems Related To Area And Volume Of Solid Objects
Cost Related To Volume

7HCF AND LCM1 lessons

Hcf And Lcm

8INDICES2 lessons

Basic Rules On Indices
Exponential Equation

9RATIO AND PROPORTION3 lessons

Ratio,Its Type And Problems On Ratio
Proportion And Its Properties
Continued Proportion

10LINEAR EQUATION3 lessons

Substitution Method To Solve Linear Equation
Elimination Method To Solve Linear Equation
Graphical Method To Solve Linear Equation

11QUADRATIC EQUATION3 lessons

Solution Of Quadratic Equation By Method Of Factorization
Solution Of Quadratic Equation By The Method Of Completing Square
Solution Of Quadratic Equation By Using Formula

12TRIANGLES7 lessons

Introduction And The Sum Of Angles Of Any Triangle Is Equal To Two Right Angles.
Exterior Angles Of A Triangle Is Equal To Sum Of Two Opposite Interior Angles
The Perpendicular Drawn From The Vertex Of A Isosceles Triangle Bisects The Angle
Condition For Congruency & Base Angles Of An Isosceles Triangles Are Equal
Sides Opposite To Equal Angles Of A Triangle Are Equal & Bisector Theorem
Mid-Points Of Any Two Sides Of A Triangle Is Parallel To The Third Side
Problems Related To Triangle Theorem

13PARALLELOGRAM5 lessons

Introduction To Parallelogram
If The Opposite Angles Of A Quadrilateral Are Equal, Then It Is A Parallelogram
The Diagonals Of Parallelogram Bisect Each Other
Problems Related To Parallelogram
Miscellaneous Problems From Triangles And Parallelograms

14CONSTRUCTION5 lessons

Construction Of Quadrilaterals
Construction Of Rectangle
Construction Of Parallelogram - 1
Construction Of Parallelogram - 2
Construction Of Rhombus

15SIMILARITY3 lessons

Introduction To Similarity
Problems Related To Similarity
Pythagoraus Theorem

16CIRCLE2 lessons

Equal Chords Are Equidistance From Centre
Problems Related To Circle Theorem

17TRIGONOMETRY3 lessons

Introduction To Trignometry
Trignometric Ration Of Standard Angles
Problems Related To Trigonometric Ratios

18STATISTIC6 lessons

Introduction To Statistics And Line Graph
How To Draw Pie Chart?
Histogram
How To Draw Ogive Curve?
Mean
Median , Mode And Quartiles

19PROBABILITY2 lessons

Introduction To Probability
Probability Scale And Empirical Scale

Energy Bill Calculation

Learning Center
Deerwalk Learning center
Grade 9
Mathematics
Energy Bill Calculation

Energy Bill Calculation

PreviousEnergy Billing Rules NextWater Bill Calculation

Comments

Mathematics

1SETS4 lessons

Operation Of Sets
Problems On Operation Of Sets
Cadinality Of Sets
Problems On Cardinality Of Sets

2PROFIT AND LOSS2 lessons

Introduction To Profit And Loss
Problems Related To Profit And Loss

3COMMISSION AND TAX4 lessons

Commission
Tax
Discount
Commission And Tax - Dividend

4HOME ARITHMETIC5 lessons

Energy Billing Rules
Energy Bill Calculation
Water Bill Calculation
Rules Of Telephone Charge And Bill Calculation
Taxi Bills

5MENSURATION (AREA)5 lessons

Introduction To Area And Area Of Pathways - 1
Area Of Pathways - 2
Cost Of Plastering
Area Of Four Walls And Ceiling
Problems On Area Of Four Walls And Costing

6AREA AND VOLUME OF SOLID OBJECTS3 lessons

Area And Volume Of Solid Objects ( Cuboid And Prism)
Problems Related To Area And Volume Of Solid Objects
Cost Related To Volume

7HCF AND LCM1 lessons

Hcf And Lcm

8INDICES2 lessons

Basic Rules On Indices
Exponential Equation

9RATIO AND PROPORTION3 lessons

Ratio,Its Type And Problems On Ratio
Proportion And Its Properties
Continued Proportion

10LINEAR EQUATION3 lessons

Substitution Method To Solve Linear Equation
Elimination Method To Solve Linear Equation
Graphical Method To Solve Linear Equation

11QUADRATIC EQUATION3 lessons

Solution Of Quadratic Equation By Method Of Factorization
Solution Of Quadratic Equation By The Method Of Completing Square
Solution Of Quadratic Equation By Using Formula

12TRIANGLES7 lessons

Introduction And The Sum Of Angles Of Any Triangle Is Equal To Two Right Angles.
Exterior Angles Of A Triangle Is Equal To Sum Of Two Opposite Interior Angles
The Perpendicular Drawn From The Vertex Of A Isosceles Triangle Bisects The Angle
Condition For Congruency & Base Angles Of An Isosceles Triangles Are Equal
Sides Opposite To Equal Angles Of A Triangle Are Equal & Bisector Theorem
Mid-Points Of Any Two Sides Of A Triangle Is Parallel To The Third Side
Problems Related To Triangle Theorem

13PARALLELOGRAM5 lessons

Introduction To Parallelogram
If The Opposite Angles Of A Quadrilateral Are Equal, Then It Is A Parallelogram
The Diagonals Of Parallelogram Bisect Each Other
Problems Related To Parallelogram
Miscellaneous Problems From Triangles And Parallelograms

14CONSTRUCTION5 lessons

Construction Of Quadrilaterals
Construction Of Rectangle
Construction Of Parallelogram - 1
Construction Of Parallelogram - 2
Construction Of Rhombus

15SIMILARITY3 lessons

Introduction To Similarity
Problems Related To Similarity
Pythagoraus Theorem

16CIRCLE2 lessons

Equal Chords Are Equidistance From Centre
Problems Related To Circle Theorem

17TRIGONOMETRY3 lessons

Introduction To Trignometry
Trignometric Ration Of Standard Angles
Problems Related To Trigonometric Ratios

18STATISTIC6 lessons

Introduction To Statistics And Line Graph
How To Draw Pie Chart?
Histogram
How To Draw Ogive Curve?
Mean
Median , Mode And Quartiles

19PROBABILITY2 lessons

Introduction To Probability
Probability Scale And Empirical Scale