Page 157 - ICSE Math 5

Progress Worksheet

Mental Maths

1. Fill in the blanks.

(a) Length of a rectangle = _________  Breadth

(b) Perimeter of a triangle = _________ + _________ + _________

2. Find the perimeter of the following figures.
(a) 12 cm (b) 8 cm
1 cm
2 cm
22 cm 22 cm
2 cm
1 cm 1 cm
40 cm 8 cm
Solve and Answer

3. Find the perimeter of the rectangles whose dimensions are given below.

(a) Length = 7 cm, Breadth = 4 cm (b) Length = 15 cm, Breadth = 6 cm
4. Find the perimeter of the squares whose dimensions are given below.

(a) 6 cm (b) 13 cm (c) 33 cm (d) 15 m

5. Find the length of the side of the squares whose perimeters are given below.

(a) 48 cm (b) 100 cm (c) 116 cm (d) 132 cm

6. Find the area of the squares with the given sides.

(a) 6 cm (b) 7 m (c) 17 cm (d) 11 m

7. Find the area of the rectangles whose dimensions are given below.
(a) Length = 15 m, Breadth = 12 m (b) Length = 20 cm, Breadth = 25 cm

8. If the length of a rectangle is 38 m and its breadth is 26 m, find the perimeter of the
rectangle.

9. The sides of a triangular park are 40 m, 30 m and 70 m. Find the cost of fencing the
park, at the rate of ` 6.50 per metre.
2
10. The area of a hall is 288 m . If its length is 24 m, find the breadth of the hall.
2
11. If the breadth of a rectangular field is 45 m and its area is 3,375 m , find the length of
the rectangular field.
12. The floor of a room is 13 m long and 9 m wide. Find the cost of carpeting its floor, if the
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cost of carpeting is ` 20 per m .

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