Topics
Roman Numerals
Number Work
Addition and Subtraction
Multiplication and Division
Fractions
Angles
Circles
Multiples and Factors
Decimal Fractions
- Decimal Fractions
- The Decimal Number System
- Concept of Tenths, Hundredths and Thousandths in Decimal
- Concept of Place Value
- Use of Decimal Fraction
- Writing Half, Quarter, Three-quarters and One and a Quarter in Decimal Form
- Addition of Decimal Fraction
- Subtraction of Decimal Fraction
- Decimals Used for Measurement
Measuring Time
Problems on Measurement
Perimeter and Area
Three Dimensional Objects and Nets
Pictographs
Patterns
Preparation for Algebra
Addition of Six-digit and Seven-digit Numbers
Steps for Addition of Six-Digit and Seven-Digit Numbers:
The addition of large numbers, such as six-digit and seven-digit numbers, follows the place value system. The steps below will help in performing the addition correctly.
Step 1: Arrange the Numbers in Columns
Step 2: Add Digits from Right to Left
Step 3: Continue Addition for Each Column
Step 4: Write the Final Sum
Addition of six-digit numbers:
Example (1): 1,43,057 + 4,21,689
| L | TTH | TH | H | T | U |
| 1 | 1 | ||||
|
1 + 4 |
4
2 |
3
1 |
0
6 |
5
8 |
7
9 |
| 5 | 6 | 4 | 7 | 4 | 6 |
Addition of seven-digit numbers:
Example (2): 26,42,073 + 7,39,478
| TL | L | TTH | TH | H | T | U |
| 1 | 1 | 1 | 1 | |||
|
2 +
|
6
7 |
4
3 |
2
9 |
0
4 |
7
7 |
3
8 |
| 3 | 3 | 8 | 1 | 5 | 5 | 1 |
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