Page 250 - MathGPT_V1.0_C5

D:\Surender Prajapati\Books Final_CBSE and ICSE\ICSE\Preparatory_Stage_Maths-5_(31-10-2023)\Open_Files\CHAP_13
\\November 3, 2023 12:46 PM Surender Prajapati Proof 2 Reader _________________________ Date: ___________________74

CONVERTING DECIMALS INTO PERCENTAGE

To convert decimal into per cent, we multiply by 100 and put % symbol.

Example: Convert the following per cents into decimals.
(a) 0.5 (b) 0.84 (c) 1.8 (d) 1.23

Solution: (a) 0.5 = (0.5 × 100)% = 50%
Remember
(b) 0.84 = (0.84 × 100)% = 84% To convert per cent into

(c) 1.8 = (1.8 × 100)% = 180% decimal, Shift the decimal
(d) 1.23 = (1.23 × 100)% = 123% point two places to the
right and put % sign.

Practice Time 13A

1. The grid below is made up of 100 squares.
(a) What percentage of the whole grid is shaded?
% of the grid is shaded.

(b) What percentage of the whole grid is unshaded?

% of the grid is unshaded.
2. Represent each percentage as the shaded part in each grid.

(a) 28% (b) 53% (c) 87%

3. Complete the following table:

Fraction Decimal Percentage
0.04
10%
1
2
45%
7
50
0.84
4. Convert the following fractions into percentages.

(a) 1 (b) 3 (c) 5 (d) 1 1
4
8
5
4
5. Convert the following percentages into fractions.
(a) 12% (b) 28% (c) 75% (d) 96%

248 Mathematics-5