Page 190 - ICSE Math 5

Progress Worksheet

Mental Maths

1. How many squares out of 100 will you colour to represent the following percentages?

(a) 28% (b) 39% (c) 47% (d) 100%

2. Fill in the blanks.
6
(a) = _____% (b) 35% = _____ (as fraction)
25
(c) 0.4928 = _____% (d) 59.68% = _____ (as decimal)
(e) 5% of ` 150 = ` _____

3. Write True or False.
(a) 5% means 50 out of 100.

(b) In a 100 square grid, you will shade 35 squares to show 65%.
(c) We multiply a fraction by 100 and put the % sign to convert into percentage.
(d) To convert a decimal to percentage, the decimal point is shifted two places to the
left.

Solve and Answer

4. Select the correct answer.
(a) What is 35 % of ` 250?

(i) ` 53.40 (ii) ` 87.50 (iii) ` 87.00 (iv) ` 87.05
11
(b) What is as percentage?
20
(i) 43% (ii) 47% (iii) 45% (iv) 55%
12
(c) What is % as fraction?
15
1 4 5 2
(i) (ii) (iii) (iv)
125 125 125 125
(d) What is 3.455 as percentage?
(i) 3,455% (ii) 3.455% (iii) 345.5% (iv) 34.55%

(e) What percentage of ` 5 is 80 paise?
(i) 16 % (ii) 15 % (iii) 14 % (iv) 17%
5. If 35% of 200 apples are spoilt, find the number of spoilt apples.

6. In a group of 65 NCC cadets, if only 25 cadets were present on a rainy day then what
percentage of cadets were absent?
7. Jatin scored 450 marks out of 700. What is his percentage of marks?

8. Rohan spent ` 250 out of his pocket money of ` 600. What percentage of money is he
still left with?

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