How Many Squares? – CBSE Notes for Class 5 Maths
• Perimeter: The length of the boundary is called Perimeter.
• Area of rectangle = length / breadth
• Area of an irregular shape like footprints, palm, etc. can be obtained by tracing them on a squared sheet paper.
(a) Count the number of complete squares.
(b) Count the number of more than half filled squares.
(c) Count the number of less than half filled squares.
(d) Neglect the squares which are less than half filled.
(e) Add the numbers of complete squares and more than half filled squares. This will give the approximate value of area.
Measure the side of the red square on the dotted sheet. Draw here as many rectangles as possible using 12 such squares.