Scale and Scale Factor Quiz

What is the definition of scale?

• Size or proportion in relation to another object or phenomenon.

• The act of climbing a mountain.

• A musical instrument with a series of graduated pitches.

• A type of fish with overlapping bony plates on its body.

How do you calculate the scale factor?

• Scale factor = Length of new object / Length of original object

• Scale factor = Length of new object - Length of original object.

• Scale factor = Length of original object / Length of new object.

• Scale factor = Length of new object + Length of original object.

When applying a scale factor greater than 1, does the object become larger or smaller?

• smaller

• stays the same size

• disappears

• larger

When applying a scale factor between 0 and 1, does the object become larger or smaller?

• smaller

• doubles in size

• stays the same size

• larger

If the scale factor is 2, and the original length is 5 cm, what is the new length?

• 10 cm

• 15 cm

• 7 cm

• 3 cm

If the scale factor is 0.5, and the original length is 10 cm, what is the new length?

• 7 cm

• 5 cm

• 2 cm

• 15 cm

If the scale factor is 3, and the original area is 20 square meters, what is the new area?

• 60

• 100

• 300

• 180

If the scale factor is 0.2, and the original area is 50 square meters, what is the new area?

• 0.1

• 0.5

• 10

• 2

If the scale factor is 4, and the original volume is 10 cubic centimeters, what is the new volume?

• 40

• 20

• 16

• 14

If the scale factor is 0.5, and the original volume is 8 cubic centimeters, what is the new volume?

• 2

• 6

• 10

• 4