Page 137 - ICSE Math 4

Progress Worksheet

Mental Maths

1. Fill in the blanks.
(a) ________ is the total length of the boundary of a plane closed fi gure.

(b) The area of a plane fi gure is measured in ________.
(c) The perimeter of a square of side 3 cm is ________.

2. Find area and perimeter of the shaded region in each of the following fi gures
(each side of the square in the given grids is of 1 cm).

(a) (b) (c)

3. Find the area of the following irregular shapes.
(a) (b) (c)

Solve and Answer

4. Find the area of each le er the word MATHS.

5. Find the perimeter and area of the fi gures with the following measurements.
(a) Length = 7 cm; Breadth = 4 cm (b) Length = Breadth = 6 cm

6. Use your ruler to fi nd out the perimeter of:
(a) your TV (b) study table (c) mathema cs textbook

7. Find the area and perimeter of a square whose side measures 8 cm.

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