class-7 worksheet-1
subject-mathematics chapter-11
PERIMETER AND AREA
- HOMEWORK FOR APRIL FIRST WEEK AND SECOND WEEK
KEY CONCEPTS
- AREA OF A SQUARE
- PERIMETER OF A SQUARE
- AREA OF A RECTANGLE
- PERIMETER OF A RECTANGLE
FORMULAE:
SQUARE
RECTANGLE
⇒
BASED ON ABOVE FORMULAE SOLVE THE FOLLOWING SUMS
1. Find the area and perimeter of the following rectangles whose dimensions are:
(a) length = 17 m breadth = 13 m
(b) length = 6.9 cm breadth = 5.1 cm
(c) length = 5 dm breadth = 32 dm
(d) length = 9 hm breadth = 7 hm
HIGHER ORDER THINKING SKILLS
2.Find the area of a square whose perimeter is 480 m?
3.If the perimeter of a square is 24 cm .Find its area?
4.The perimeter of the rectangle filed is 240 m
,if its length is 90 m. Find its
,if its length is 90 m. Find its
i)breadth
ii)area
5 )The length and breadth of a rectangular field are equal to 600 m and 400 m respectively. Find the cost of the grass to be planted in it at the rate of@2.50 per square meter?
6) Which has greater area, a square of side 42 m or a rectangle with sides 51 m and 35 m and by how much?
7) A wall 4.5 m, by 3.8 m is to be tiled. Find the cost of the work at ₹ 350 Per sq m.
8) How many bits of 10 cm x 15 cm can be cut out of a paper sheet of size 2.5 m x 3 m ?
9 )In a square garden of 3.5 m , four flower beds were laid out . The remaining area of the garden is 7.25 square meter. If all flower beds are of same size find length of each if the breadth of each flower bed is 50 cm?
6) Which has greater area, a square of side 42 m or a rectangle with sides 51 m and 35 m and by how much?
7) A wall 4.5 m, by 3.8 m is to be tiled. Find the cost of the work at ₹ 350 Per sq m.
8) How many bits of 10 cm x 15 cm can be cut out of a paper sheet of size 2.5 m x 3 m ?
9 )In a square garden of 3.5 m , four flower beds were laid out . The remaining area of the garden is 7.25 square meter. If all flower beds are of same size find length of each if the breadth of each flower bed is 50 cm?
work sheet-2
TRIANGLES AS PARTS OF RECTANGLES
Based on above video we can find area of triangle formula
⇒Do the following sums by using area of triangle
1) Find the area of each of the following triangle
Area of a parallelogram
Area of a parallelogram=base x corresponding altitude
using above formula do the following sums
Worksheet 1 second question is not clear
ReplyDeletePlease clarify
Decimeters, decametrs etc are not in practice.kindly avoid
ReplyDeleteShould we write these in our new maths cw or in A4 sheets
ReplyDeletein our class work
DeleteMam, 2 roman- 4th question. Incomplete data. Only length of rectangle was given and asked to find area and breadth. No perimeter value provided.
ReplyDelete