1. How much does the perimeter of a square change when the length of its sides is tripled? (Perimeter of a square is the sum of the length of all its sides.)
a. 1.5 times
b. 3 times
c. 4 times
d. 9 times

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2. How much does the area of a square change when the length of its sides is tripled? (Area=length x width)
a. 3 times
b. 4 times
c. 9 times
d. 12 times

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3. How much does the volume of a cube change when its sides are tripled? (Volume=length x width x height)
a. 3 times
b. 6 times
c. 9 times
d. 27 times

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4. If you double the edge of a cube, its total surface area increases by a factor of:
a. 2
b. 4
c. 8
d. 24

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5. If you triple all sides of a solid rectangle (parallelpiped), its volume increases by a factor of:
a. 3
b. 9
c. 18
d. 27

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6. If you triple the mass of an incompressible substance:
a. Its area will always triple.
b. Its volume will always triple.
c. Its volume will increase by a factor of 27.
d. We cannot say anything about its volume because it will depend on the shape.

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