Area & perimeter

Measuring area & perimeter

Name: ______________________________Date: ______________Score: ______ / 20

1.
A juice spill covers 10 whole squares and 6 squares that are more than half covered. Each square is 1 cm wide. Estimate the area.
cm²
2.
The perimeter of a theme park is 5 km. How long is the perimeter in metres?
m
3.
How many millimetres are there in 1 centimetre?
mm
4.
Which unit would you use for the area of a sea?
1. Amm²
2. Bcm²
3. Cm²
4. Dkm²
5.
Which unit would you use for the area of a pond?
1. Amm²
2. Bcm²
3. Cm²
4. Dkm²
6.
A stain covers 8 whole squares and 4 squares that are more than half covered. Each square is 1 cm wide. Estimate the area.
cm²
7.
1 km = 1000 m.
True False
8.
Lee counts only whole squares, Zaid counts every square touched, and Jo counts squares more than half covered. Whose method gives the best estimate of area?
1. ALee
2. BZaid
3. CJo
4. DNone of them
9.
How many centimetres are there in 2 m?
cm
10.
Which is bigger, an area of 8 square metres or 8 square centimetres?
1. A8 square metres
2. B8 square centimetres
3. CThey are the same
4. DYou cannot tell
11.
How do you measure the perimeter of a shape?
1. ACount the squares inside it
2. BMeasure each side and add them together
3. CMeasure only the longest side
4. DMultiply the corners
12.
A rectangle has sides 4 cm, 6 cm, 4 cm and 6 cm. What is its perimeter?
cm
13.
How many metres are there in 2 km?
m
14.
A rectangle is 20 cm long and 5 cm wide. What is its perimeter?
cm
15.
A rectangle is 10 m long and 8 m wide. What is its perimeter?
m
16.
What is the perimeter of a square with sides of 14 m?
m
17.
A rectangle is 10 m long and 4 m wide. What is its perimeter?
m
18.
A rectangle is 4 cm long and 2 cm wide. What is its perimeter?
cm
19.
A rectangle is 15 cm long and 13 cm wide. What is its perimeter?
cm
20.
What is the area of a rectangle 2 cm by 1 cm?
cm²

Answer key

Area & perimeter — Measuring area & perimeter

1.16 cm²
2.5000 m
3.10 mm
4.D. km²
5.C. m²
6.12 cm²
7.True
8.C. Jo
9.200 cm
10.A. 8 square metres
11.B. Measure each side and add them together
12.20 cm
13.2000 m
14.50 cm
15.36 m
16.56 m
17.28 m
18.12 cm
19.56 cm
20.2 cm²