Class 9 > MATHEMATICS
1.0. OPERATION OF SETS
2.0. PROBLEMS ON OPERATION OF SETS
3.0. CADINALITY OF SETS
4.0. PROBLEMS ON CARDINALITY OF SETS
1.0. INTRODUCTION TO PROFIT AND LOSS
2.0. PROBLEMS RELATED TO PROFIT AND LOSS
1.0. COMMISSION
2.0. TAX
3.0. DISCOUNT
4.0. COMMISSION AND TAX - DIVIDEND
1.0. ENERGY BILLING RULES
2.0. ENERGY BILL CALCULATION
3.0. WATER BILL CALCULATION
4.0. RULES OF TELEPHONE CHARGE AND BILL CALCULATION
5.0. TAXI BILLS
1.0. INTRODUCTION TO AREA AND AREA OF PATHWAYS - 1
2.0. AREA OF PATHWAYS - 2
3.0. COST OF PLASTERING
4.0. AREA OF FOUR WALLS AND CEILING
5.0. PROBLEMS ON AREA OF FOUR WALLS AND COSTING
1.0. AREA AND VOLUME OF SOLID OBJECTS ( CUBOID AND PRISM)
2.0. PROBLEMS RELATED TO AREA AND VOLUME OF SOLID OBJECTS
3.0. COST RELATED TO VOLUME
7. Cylinder and sphere
8. Sequence and series
9. Factorization
1.0. HCF AND LCM
1.0. SUBSTITUTION METHOD TO SOLVE LINEAR EQUATION
2.0. ELIMINATION METHOD TO SOLVE LINEAR EQUATION
3.0. GRAPHICAL METHOD TO SOLVE LINEAR EQUATION
1.0. BASIC RULES ON INDICES
2.0. EXPONENTIAL EQUATION
1.0. INTRODUCTION AND THE SUM OF ANGLES OF ANY TRIANGLE IS EQUAL TO TWO RIGHT ANGLES.
2.0. EXTERIOR ANGLES OF A TRIANGLE IS EQUAL TO SUM OF TWO OPPOSITE INTERIOR ANGLES
3.0. THE PERPENDICULAR DRAWN FROM THE VERTEX OF A ISOSCELES TRAINGLE BISECTS THE ANGLE .
4.0. CONDITION FOR CONGRUENCY & BASE ANGLES OF AN ISOSCELES TRIANGLES ARE EQUAL
5.0. SIDES OPPOSITE TO EQUAL ANGLES OF A TRIANGLE ARE EQUAL & BISECTOR THEOREM
6.0. MID-POINTS OF ANY TWO SIDES OF A TRIANGLE IS PARALLEL TO THE THIRD SIDE
7.0. PROBLEMS RELATED TO TRIANGLE THEOREM
14. Quadrilateral
1.0. CONSTRUCTION OF QUADRILATERALS
2.0. CONSTRUCTION OF RECTANGLE
3.0. CONSTRUCTION OF PARALLELOGRAM - 1
4.0. CONSTRUCTION OF PARALLELOGRAM - 2
5.0. CONSTRUCTION OF RHOMBUS
1.0. EQUAL CHORDS ARE EQUIDISTANCE FROM CENTRE
2.0. PROBLEMS RELATED TO CIRCLE THEOREM
17. Classification and presentation of data
18. Measures of central tendency
1.0. INTRODUCTION TO PROBABILITY
2.0. PROBABILITY SCALE AND EMPIRICAL SCALE
1.0. INTRODUCTION TO TRIGNOMETRY
2.0. TRIGNOMETRIC RATION OF STANDARD ANGLES
3.0. PROBLEMS RELATED TO TRIGONOMETRIC RATIOS
1.0. INTRODUCTION TO STATISTICS AND LINE GRAPH
2.0. HOW TO DRAW PIE CHART?
3.0. HISTOGRAM
4.0. HOW TO DRAW OGIVE CURVE?
5.0. MEAN
6.0. MEDIAN , MODE AND QUARTILES
1.0. SOLUTION OF QUADRATIC EQUATION BY METHOD OF FACTORIZATION
2.0. SOLUTION OF QUADRATIC EQUATION BY THE METHOD OF COMPLETING SQUARE
3.0. SOLUTION OF QUADRATIC EQUATION BY USING FORMULA
1.0. INTRODUCTION TO PARALLELOGRAM
2.0. IF THE OPPOSITE ANGLES OF A QUADRILATERAL ARE EQUAL, THEN IT IS A PARALLELOGRAM
3.0. THE DIAGONALS OF PARALLELOGRAM BISECT EACH OTHER
4.0. PROBLEMS RELATED TO PARALLELOGRAM
5.0. MISCELLANEOUS PROBLEMS FROM TRIANGLES AND PARALLELOGRAMS
1.0. INTRODUCTION TO SIMILARITY
2.0. PROBLEMS RELATED TO SIMILARITY
3.0. PYTHAGORAUS THEOREM
1.0. RATIO,ITS TYPE AND PROBLEMS ON RATIO
2.0. PROPORTION AND ITS PROPERTIES
3.0. CONTINUED PROPORTION
WATER BILL CALCULATION
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