Knowing Our Numbers

5 Topics | 5 Quizzes
Whole Numbers

5 Topics | 5 Quizzes
Playing With Numbers

10 Topics | 5 Quizzes
Basic Geometrical Ideas

12 Topics | 4 Quizzes
Understanding Elementary Shapes

9 Topics | 5 Quizzes
Fractions

13 Topics | 4 Quizzes
Integers

5 Topics | 5 Quizzes
Decimals

6 Topics | 4 Quizzes
Data Handling

9 Topics | 4 Quizzes
Mensuration

3 Topics | 4 Quizzes
Algebra

10 Topics | 4 Quizzes
Ratio and Proportion

3 Topics | 4 Quizzes
Practical Geometry

5 Topics | 4 Quizzes
Symmetry

8 Topics | 4 Quizzes
__Multiplication of Decimals__

Multiplication of 2.8 and 7

- 2.8 × 7 (There is only one digit to the right of the decimal point in 2.8)
- 28 × 7 (Ignoring the decimals)
- 28 × 7 = 196
- Now bring the decimal back after one digit from left and thus answer is 19.6

__Division of Decimals__

Divide 3.4 by 2

- = Quotient
- Ignore the decimal and divide the numerator by the denominator. Here, quotient
- Since there is only one digit to the right of the decimal, put the decimal after one digit from left in the quotient. Therefore, quotient becomes 1.7

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