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- Geometry
- Triangle, Quadrilateral, Rectangle, Square, and Circle
- Trapezium
- Basic Definition of a Trapezium
1. Numbers
1.1.3. Numbers on Abacus
1.2. Forming Numbers
1.2.2. Form 4-Digit Numbers
1.5.1. Successor of a Number
1.5.2. Predecessor of a Number
1.6. Skip Counting
1.7. Even and Odd Numbers
1.7.1. Even Numbers
1.7.2. Odd Numbers
2.3.4. Compare Roman Numerals
2.3.6. Appreciating Roman Numerals
3.1. Addition
3.1.1. Addendum and Sum
3.1.2. Addition Without Carrying
3.1.3. Addition with Carrying
3.1.4. Properties of Addition
3.1.5. Word Problems on Addition
3.2. Subtraction
3.2.3. Subtraction With Borrowing
4.1. Multiplication
4.1.7. Properties of Multiplication
4.1.7.1. Order Property of Multiplication
4.1.7.2. Grouping Property of Multiplication
4.1.7.3. Multiplicative Property of 1
4.1.7.4. Multiplicative Property of 0
4.2. Division
4.2.1. Understand Division
4.2.2. Division as Distribution
4.2.3. Division as Forming Groups
4.2.5. Division on the Number Line
4.2.7. Properties of Division
4.2.7.1. Division of a Number by 1
4.2.7.2. Division of a Number by Itself
4.2.7.3. Division by Zero
4.2.7.4. Dividing 0 by a number
4.2.7.5. Division by 10, 100 and 1000
6. Money
6.1. Currency
6.4. Convert to Paise
6.4.1. Convert Rupees to Paise
6.5. Convert from Paise
6.6. Denominations
6.7. Addition of Money
6.8. Subtraction of money
6.10. Word problems on money
7. Fractions
7.1. Knowing Fractions
7.2.1. Fractional Numbers
7.2.1.1. Identify Fractional Numbers
7.6. Order Like Fractions
7.8.1. Addition of Like Fractions
8. Measurement
8.1.1. Metric Units of Length
8.1.2.1. Convert Metres to Centimetres
8.1.2.2. Convert Centimetres to Metres
8.1.2.5. Convert Kilometres to Metres
8.1.2.6. Convert Metres to Kilometres
8.1.3. Addition of Lengths
8.1.4. Subtraction of Lengths
8.1.5. Word Problems on Length
8.2.1. Metric Units of Weight
8.2.2. Weighing Objects
8.2.3.1. Convert Grams to Kilograms
8.2.3.2. Convert Kilograms to Grams
8.2.3.5. Compare Metric Units of Weight
8.2.4. Addition of Weights
8.2.4.1. Addition of Weights (Similar Units)
8.2.5. Subtraction of Weights
9. Time
9.1. Clocks
9.1.2. Read Time on Clocks
9.1.2.1. Read Time on Analogue Clocks
9.3. Elapsed Time
9.4.1. Convert Days to Hours
9.4.2. Convert Hours to Minutes
9.4.3. Convert Hours to Seconds
9.4.4. Convert Minutes to Hours
9.4.5. Convert Seconds to Hours
9.4.6. Convert Minutes to Seconds
9.4.7. Convert Hours to Days
10. Calendar
10.1.1. Days of the Week
10.1.2. Months of the Year
10.1.4. Relation between Days and Weeks
10.1.5. Relation between Days and Months
10.1.7. Relation between Years and Weeks
10.1.9. Century, Leap and Ordinary Years
10.2. Dates
11. Geometry
11.1.1. Definition of a Point
11.1.2. Definition of a Line Segment
11.1.3. Definition of a Line
11.1.4. Definition of a Ray
11.3.1. Triangles
11.3.2. Quadrilaterals
11.3.2.1. Basic Definition of a Quadrilateral
11.3.2.2. Adjacent Sides of a Quadrilateral
11.3.2.3. Diagonals of a Quadrilateral
11.3.3. Rectangle
11.3.3.1. Basic Definition of a Rectangle
11.3.3.2. Rectangle as a Special Quadrilateral
11.3.4. Square
11.3.4.1. Basic Definition of a Square
11.3.4.2. Square as a Special Rectangle
11.3.5. Trapezium
11.3.5.1. Basic Definition of a Trapezium
11.3.6. Circle
11.3.6.1. Centre of a Circle
11.3.6.2. Radius of a Circle
11.3.6.3. Diameter of a Circle
11.3.6.5. Arc
11.3.6.6. Semi-circle
11.3.6.7. Circumference of a Circle
11.3.6.8. Concentric Circles
11.3.6.10. Chord
11.4. Solids
11.4.1. Understanding 2-D and 3-D Shapes
11.4.2. Cuboid
11.4.3. Cube
11.4.4. Cylinder
11.4.5. Sphere
11.4.6. Cone
11.4.7. Identify Solid Shapes
11.5. Tangrams
12. Symmetry
13.1. Data
13.1.1. Basic Definition of Data
13.2. Pictographs
13.2.1. Basic Definition of Pictographs
13.2.2. Represent Data as Pictographs
13.2.3. Interpreting Pictographs
13.3. Tally Marks
13.3.1. Collect Data Using Tally Marks
13.4. Bar Graphs
13.4.1. Interpreting Bar Graphs
14. Patterns
Class 3 NCERT (CBSE and ICSE) Basic Definition of a Trapezium
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