Module 4

Enlargement

100

What is the length of a 5 foot rope that has been enlarged 200%?

10 feet

200

A square has a side length of 5 inches. It has been enlarged 240%. What is the new side length?

12 inches

300

What is the new length and width of a rectangle with a length of 6 feet and a width of 8 feet and has been enlarged to 160%

9.6 feet by 12.8 feet

400

What is the original side length of a square that was enlarged 300% and is now 24cm long?

8cm

500

What are the original dimensions of a rectangle that's been enlarged 250% and is now 10 yards by 20 yards

4 yards by 8 yards

Reduction

100

What is the length of a 5 foot rope that has been reduced to 80%?

4 feet

200

A square has a side length of 5 inches. It has been reduced to 40%. What is the new side length?

2 inches

300

What is the new length and width of a rectangle with a length of 6 feet and a width of 8 feet and has been reduced to 60%

3.6 feet and 4.8 feet

400

What is the original side length of a square that was reduced 30% and is now 9cm long?

30cm

500

What are the original dimensions of a rectangle that's been reduced to 25% and is now 6 meters by 12 meters?

24 meters by 48 meters

Scale Factor

100

If the original image was 4 inches long and the new image is 2 inches long what is the scale factor as a percent?

50%

200

If the original image was 6 inches long and the new image is 12 inches long what is the scale factor as a percent?

200%

300

If an original rectangle that has a length of 30.625 ft and a width of 10.25 ft is reduced to a rectangle with a length of 12.25 ft and a width of 4.1 ft what was the scale factor?

40%

400

What is the scale factor rounded to the nearest whole percent of a figure that was 2.4 yards and is now 6.8 yards?

283%

500

What is the scale factor rounded to the nearest whole percent of a figure that was 6.8 yards and is now 2.4 yards?

35%

Area

100

What is the area of a square with side length 5 inches?

25 inches²

200

What is the area of a rectangle with a length of 6 feet and a width of 8 feet?

48 feet²

300

What is the area of a square that has a side length of 5 inches and has been enlarged by 120%?

36 inches²

400

What is the area of a rectangle with a length of 6 feet and a width of 8 feet and has been reduced to 60%

17.28 feet²

500

What is the area of a new square if the area of the old square is 16cm² and the new square is reduced to 40%

2.56cm²