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3.1. Addition
3.1.1. Addition without Carrying
3.1.2. Addition with Carrying
3.1.4.3. Addition Property of Zero
3.1.5. Word Problems on Addition
3.2. Subtraction
3.2.2. Subtraction with Borrowing
3.2.3. Word Problems on Subtraction
4.1. Multiplication
4.1.1. Properties of Multiplication
4.1.1.3. Multiplicative Property of One
4.1.1.4. Multiplicative Property of Zero
4.2. Division
4.2.1. Properties of Division
4.2.1.1. Division by One
4.2.1.2. Division by the Number Itself
4.2.1.3. Division by Zero
4.2.1.4. Dividing Zero by a Number
4.2.2. Division by a 2-digit Number
4.2.5. Word Problems on Division
5.1.1. Factors
5.1.1.1. Finding Factors of a Number
5.1.1.2. HCF (Highest Common Factor)
5.1.2. Multiples
5.1.2.1. Finding Multiples of a Number
5.1.2.2. LCM (Lowest Common Multiple)
5.4.1. Test Divisibility by 2
5.4.2. Test Divisibility by 3
5.4.3. Test Divisibility by 5
5.4.4. Test Divisibility by 6
5.4.5. Test Divisibility by 9
5.4.6. Test Divisibility by 10
7. Estimation
8. Fractions
8.4. Division as Fraction
8.5. Fraction as Division
8.7. Equivalent Fractions
8.10. Unit Fraction
8.12.1. Addition of Like Fractions
8.12.2. Subtraction of Like Fractions
9. Decimals
9.1. Conversions
10. Money
10.1. Express Money in Words
10.2. Express Money in Figures
10.3. Convert to Paise
10.3.1. Convert Rupees into Paise
10.4. Convert from Paise
10.5. Addition of Money
10.6. Subtraction of money
10.9. Word problems on money
11.1. Measurement of Length
11.1.2. Addition of Length Measurements
11.1.4. Word Problems on Length
11.1.4.1. Word Problems on Addition of Lengths
11.1.4.2. Word Problems on Subtraction of Lengths
11.2.2. Addition of Mass Measurements
11.2.3. Subtraction of Mass Measurements
11.2.4. Word Problems on Mass
11.2.4.1. Word Problems on Addition of Mass
11.2.4.2. Word Problems on Subtraction of Mass
11.3.4. Word Problems on Capacity
11.3.4.1. Word Problems on Addition of Capacity
11.3.4.2. Word Problems on Subtraction of Capacity
12. Unitary Method
13. Geometry
13.1.2. Types of Lines
13.1.2.1. Straight and Curved Lines
13.1.4. Measure Line Segments
13.2. Open and Closed Shapes
13.3. Simple Closed Shapes
13.4. Polygons
13.5. Circle
16. Symmetry
16.1. Introduction to Symmetry
16.2. Symmetry Around Us
16.4. Symmetry in Alphabets
16.5. Symmetry in Numerals
17. Time
17.1. Clock
17.1.2. Measuring Time
17.1.3. 24-Hour Clock Time
17.1.4. Use of 'AM' and 'PM'
17.1.5. Addition and Subtraction of Time
17.1.5.1. Addition of Time
17.1.5.2. Subtraction of Time
18. Calendar
19.1. Basic Definition of Data
19.2. Pictographs
Class 4 NCERT (CBSE and ICSE) Fraction of a Number
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