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Grade: 7,    Subject: Math,    Topic: Scale factor Volume and Surface Area
Question 1:
A cube has all sides of length 3 cm. It is enlarged with a scale factor 4? Find the surface area of the enlarged cube?

804 cm 2216 cm 2

864 cm 2432 cm 2
 
Question 2:
The scale factor of two similar rectangular prisms is 2. If the volume of the smaller prism is 15 ft3, find the volume of the larger prism.

60 ft3120 ft3

30 ft3480 ft3
 
Question 3:
If the lengths in a shape are all multiplied by a scale factor of y, then the area will be _________?

multiplied by a scale factor of 2y2divided by a scale factor of y2

multiplied by a scale factor of 2ymultiplied by a scale factor of y2
 
Question 4:
The scale factor of two similar rectangular prisms is 4. The volume of the larger prism is 576 cm3. Find the volume of the smaller prism.

144 cm39 cm3

64 cm312 cm3
 
Question 5:
If the lengths in a shape are enlarged with scale factor 3, then the volumes will be enlarged with scale factor ____.

93

2712
 
Question 6:
The area of a hexagon is 30 cm2. If it is enlarged with scale factor 5, find its new area.

750 cm2300 cm2

75 cm260 cm2
 
Question 7:
Triangle P and Q are similar. If triangle Q has an area that is 36 times larger than triangle P, how much larger will the dimension of triangle Q be?

3 times4 times

5 times6 times
 
Question 8:
Circle A has an area of 80 cm2. Circle B has a radius that is 2 times the radius of the circle A. What is the area of the circle B?

160 cm240 cm2

320 cm2480 cm2
 
Question 9:
A container has a volume of 18 m3. If you enlarge it with scale factor 3, what will the volume of the enlarged container be?

486 m3162 m3

54 m36 m3
 
Question 10:
What scale factor produces the enlargement from Y to Z?

43

26
 
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