© BBC 2011

Perimeter quiz

E3

Level: A

1. Find the perimeter of the rectangle.

A) 120 cm2 B) 120 cm C) 800 cm

2. Find the perimeter of the rectangle.

A) 70 cm2 B) 300 cm C) 70 cm

3. Find the perimeter of the rectangle.

A) 160 cm2 B) 160 cm C) 1 200 cm

© BBC 2011

Perimeter quiz

E3

4. Find the perimeter of the rectangle.

A) 400 cm B) 80 cm2 C) 80 cm

5. Find the perimeter of the rectangle.

A) 192 cm B) 96 cm C) 192 cm2

© BBC 2011

Perimeter quiz

E3

6. Find the perimeter of the triangle.

A) 36 cm2 B) 35 cm C) 36 cm

7. Find the perimeter of the triangle.

A) 26 cm2 B) 26 cm C) 25 cm

© BBC 2011

Perimeter quiz

E3

8. Find the perimeter of the triangle.

A) 33 cm2 B) 33 cm C) 32 cm

9. Find the perimeter of the rectangle.

A) 99 cm B) 99 cm2 C) 198 cm

10. What is the perimeter of a 10cm square tile?

A) 100 cm B) 100 cm2 C) 40 cm

© BBC 2011

Perimeter quiz

E3

Level B

1. Find the perimeter of the rectangle.

A) 142 cm B) 143 cm C) 71 cm

2. Find the perimeter of the rectangle.

A) 75 cm B) 76 cm C) 38 cm

3. Find the perimeter of the patio.

A) 12 m2 B) 12 m C) 8 m D) 16 m

© BBC 2011

Perimeter quiz

E3

4. Find the perimeter of the square tile.

A) 60 cm B) 900 cm2 C) 120 cm

5. Find the perimeter of the garden.

A) 60 m B) 34 m C) 34 m2

© BBC 2011

Perimeter quiz

E3

6. Jo has a rectangular flower bed in her garden. She wants to put an edging strip all the way around the flower bed. To work out the total length of edging strip needed she must add the length and width of the flower bed together.

A) True B) False

7. A council needs to fit a railing all the way around a 10 metre square playground. They measure one side of the playground and then multiply it by two to work out the length of railing to order. Is this correct?

A) Yes B) No

8. Lily wants to put a lace strip around the edge of her favourite scarf. Her scarf is a square of material. To find out what length of lace to buy, she measures one side and multiplies by 4. Should this give her the correct total length?

A) Yes B) No

© BBC 2011

Perimeter quiz

E3

9. Naheed is doing a swimming badge in which she has to swim all the way around the edge of the pool once. If she swims across the pool below four times instead would she be swimming the same distance?

A) Yes B) No

10. Mansoureh wants to put a border around the walls of her bedroom. It needs to go all the way around the walls, just below the ceiling.

How could she work out what length of border to buy?

A) Measure the width of the room and multiply by 4 B) Measure the length of the room and multiply by 4 C) Measure the length and width of the room, add them together and multiply by 2 D) Measure the length and width of the room then multiply the length by the width

© BBC 2011

Perimeter quiz

E3

Level C

1. Find the perimeter of the rectangle.

A) 6.2 cm B) 12.4 cm C) 7 cm

2. Find the perimeter of the triangle.

A) 5.3 cm B) 3 cm C) 3.8 cm

3. Find the perimeter of the patio.

A) 36 m2 B) 15 cm C) 30 cm

© BBC 2011

Perimeter quiz

E3

4. The triangle below has 3 sides which are all the same length (2.5 cm). Work out the perimeter.

A) 5 cm B) 7.5 cm C) 10 cm

5. Find the perimeter of the field.

A) 25 000 m2 B) 350 m C) 700 m

© BBC 2011

Perimeter quiz

E3

6. Jo has a rectangular flower bed in her garden. She wants to put an edging strip all the way around the flower bed. She buys 24m of edging – has she bought enough?

A) Yes B) No

7. A council needs to fit a railing all the way around a 10 metre square playground. The entrance gate will also be made from a section of the railings.

Mumtaz has ordered 30 metres of the railing for the council. Has she ordered enough?

A) Yes B) No

8. Lily wants to put a lace strip around the edge of her favourite scarf. The scarf is made from a square of material 90 cm wide.

What length of lace strip does she need to buy?

A) 90 cm B) 180 cm C) 360 cm D) 8 100 cm

© BBC 2011

Perimeter quiz

E3

9. Naheed is doing a swimming badge in which she has to swim all the way around the edge of the pool once.

How far does she have to swim in this pool?

A) 70 m B) 20 m C) 25 m D) 50 m

10. Mansoureh wants to put a border around the walls of her bedroom. It needs to go all the way around the walls, just below the ceiling.

What length of border should she buy?

A) 7 m B) 12 m C) 14 m

© BBC 2011

Perimeter quiz

E3

Answers

Level A

1. Find the perimeter of the rectangle.

The correct answer is: B. 120 cm.

20 + 40 + 20 + 40 = 120cm or 2 × (40 + 20) = 120 cm.

2. Find the perimeter of the rectangle.

The correct answer is: C. 70 cm.

20 + 15 + 20 + 15 = 70cm or 2 × (20 + 15) = 70 cm.

3. Find the perimeter of the rectangle.

The correct answer is: B. 160 cm.

60 + 20 + 60 + 20 = 160 cm or 2 × (60 + 20) = 160 cm.

4. Find the perimeter of the rectangle.

The correct answer is: C. 80 cm.

20 + 20 + 20 + 20 = 80 cm or 4 × 20 = 80 cm.

5. Find the perimeter of the rectangle.

The correct answer is: A. 192 cm.

32 + 64 + 32 + 64 = 192 cm or 2 × (32 + 64) = 192 cm.

© BBC 2011

Perimeter quiz

E3

6. Find the perimeter of the triangle.

The correct answer is: C. 36 cm.

10 + 14 + 12 = 36 cm.

7. Find the perimeter of the triangle.

The correct answer is: B. 26 cm.

13 + 11 + 9 = 33 cm.

8. Find the perimeter of the triangle.

The correct answer is: B. 33 cm.

13 + 11 + 9 = 33 cm.

9. Find the perimeter of the rectangle.

The correct answer is: C. 198 cm.

65 + 34 + 65 + 34 = 198 cm or 2 × (34 + 65) = 198 cm.

10. What is the perimeter of a 10cm square tile?

The correct answer is: C. 40 cm.

10 + 10 + 10 + 10 = 40 cm or 4 × 10 = 40 cm.

© BBC 2011

Perimeter quiz

E3

Level B

1. Find the perimeter of the rectangle.

The correct answer is: A. 142 cm.

45 + 26 + 45 + 26 = 142 cm or 2 × (45 + 26) = 142 cm.

2. Find the perimeter of the rectangle.

The correct answer is: B. 76 cm.

23 + 15 + 23 + 15 = 76 cm or 2 × (23 +15) = 76 cm.

3. Find the perimeter of the patio.

The correct answer is: D. 16 m.

6 + 2 + 6 + 2 = 16m or 2 × (6 +2) = 16 m.

4. Find the perimeter of the square tile.

The correct answer is: C. 120 cm.

4 × 30 = 120 cm.

5. Find the perimeter of the garden.

The correct answer is: B. 34 m.

5 + 12 + 5 + 12 = 34 m or 2 × (5 + 12) = 34 m.

© BBC 2011

Perimeter quiz

E3

6. Jo has a rectangular flower bed in her garden. She wants to put an edging strip all the way around the flower bed. To work out the total length of edging strip needed she must add the length and width of the flower bed together.

The correct answer is: B. False. She has to work out the total perimeter by adding both lengths and both widths together: length + width + length + width (or adding length + width and then multiplying by two).

7. A council needs to fit a railing all the way around a 10 metre square playground. They measure one side of the playground and then multiply it by two to work out the length of railing to order. Is this correct?

The correct answer is: B. No. They should have ordered enough to go all the way around but they will only have enough to go half way around the playground. They could have measured one side and multiplied by 4 as there are four sides the same length.

8. Lily wants to put a lace strip around the edge of her favourite scarf. Her scarf is a square of material. To find out what length of lace to buy, she measures one side and multiplies by 4. Should this give her the correct total length?

The correct answer is: A. Yes. She could measure all the way around the edge or measure one side and multiply that by 4.

9. Naheed is doing a swimming badge in which she has to swim all the way around the edge of the pool once. If she swims across the pool four times instead would she be swimming the same distance?

The correct answer is: B. No. The length of the pool is longer than the width. So four times the width is not the same as swimming a length, then a width, then another length, then another width.

10. Mansoureh wants to put a border around the walls of her bedroom. It needs to go all the way around the walls, just below the ceiling.

The correct answer is: C. Measure the length and width of the room, add them together and multiply by 2. This will give the total distance around the room.

© BBC 2011

Perimeter quiz

E3

Level C

1. Find the perimeter of the rectangle.

The correct answer is: B. 12.4 cm.

2 × (3.5 + 2.7) = 12.4 cm.

2. Find the perimeter of the triangle.

The correct answer is: A. 5.3 cm.

2.3 +1.5 + 1.5 = 5.3 cm.

3. Find the perimeter of the patio.

The correct answer is: C. 30 m.

2 × (12 + 3) = 30 m.

4. The triangle has 3 sides which are all the same length (2.5 cm). Work out the perimeter.

The correct answer is: B. 7.5 cm.

2.5 + 2.5 + 2.5 or 3 × 2.5 = 7.5 cm.

5. Find the perimeter of the field

The correct answer is: C. 700 m.

2 × (100 + 250) = 700 m.

© BBC 2011

Perimeter quiz

E3

6. Jo has a rectangular flower bed in her garden. She wants to put an edging strip all the way around the flower bed. She buys 24m of edging – has she bought enough?

The correct answer is: A. Yes. She has more than enough.

She needed 4 + 7 + 4 + 7 or 2 × (4 + 7) = 22m.

7. A council needs to fit a railing all the way around a 10 metre square playground. The entrance gate will also be made from a section of the railings. Mumtaz has ordered 30 metres of the railing for the council. Has she ordered enough?

The correct answer is: B. No.

She should have ordered enough to go all the way around: 10 + 10 + 10 + 10 = 40 metres.

8. Lily wants to put a lace strip around the edge of her favourite scarf. The scarf is made from a square of material 90 cm wide. What length of lace strip does she need to buy?

The correct answer is: C. 360 cm.

90 + 90 + 90 + 90 or 90 × 4.

9. Naheed is doing a swimming badge in which she has to swim all the way around the edge of the pool once. How far does she have to swim in the pool?

The correct answer is: A. 70 m.

10 + 25 + 10 + 25.

10. Mansoureh wants to put a border around the walls of her bedroom. It needs to go all the way around the walls, just below the ceiling. What length of border should she buy?

The correct answer is: C. 14 m.

(3 + 4 + 3 + 4) metres.