Area & perimeter

Area & perimeter of rectangles

Name: ______________________________Date: ______________Score: ______ / 20

1.
A rectangle is 4 cm long and 3 cm wide. What is its area?
cm²
2.
How do you find the perimeter of a rectangle?
1. AMultiply length by width
2. BAdd the lengths of all four sides
3. CCount the squares inside
4. DMultiply the corners
3.
A rectangle is 5 cm long and 2 cm wide. What is its perimeter?
cm
4.
A rectangle has 3 rows of 8 squares. What is its area?
cm²
5.
A rectangle is 7 cm long and 2 cm wide. What is its area?
cm²
6.
A rectangle is 7 cm long and 5 cm wide. What is its area?
cm²
7.
A rectangle has 5 squares in each row and 3 rows. What is its area?
cm²
8.
Area is measured in square units such as cm².
True False
9.
A main office floor is 6 m long and 9 m wide. What is its area?
m²
10.
A rectangle has a perimeter of 20 cm. Which of these has the largest area?
1. A9 cm by 1 cm
2. B7 cm by 3 cm
3. C5 cm by 5 cm
4. D8 cm by 2 cm
11.
A square 6 cm by 6 cm has an area of 36 cm².
True False
12.
A rectangle has 3 squares in each column. How can you count the squares quickly?
1. ACount in 2s
2. BCount in 3s
3. CCount in 10s
4. DCount in 5s
13.
A rectangle has an area of 10 cm² and is drawn 5 cm long and 2 cm wide. What is its perimeter?
cm
14.
What is the area of a rectangle 11 cm by 12 cm?
cm²
15.
What is the area of a rectangle 3 cm by 6 cm?
cm²
16.
What type of angle is 163°?
1. AAcute
2. BRight angle
3. CObtuse
17.
How many degrees is a three-quarter turn?
°
18.
A rectangle is 18 cm long and 6 cm wide. What is its perimeter?
cm
19.
What type of angle is 37°?
1. AAcute
2. BRight angle
3. CObtuse
20.
What is the perimeter of a square with sides of 14 cm?
cm

Answer key

Area & perimeter — Area & perimeter of rectangles

1.12 cm²
2.B. Add the lengths of all four sides
3.14 cm
4.24 cm²
5.14 cm²
6.35 cm²
7.15 cm²
8.True
9.54 m²
10.C. 5 cm by 5 cm
11.True
12.B. Count in 3s
13.14 cm
14.132 cm²
15.18 cm²
16.C. Obtuse
17.270 °
18.48 cm
19.A. Acute
20.56 cm