Scaled Copies & Scale Factor

Front

Scale factor is _________

Back

the number you multiply the original shape by in order to get the scale copy.

Front

Which of the following is a scaled copy of figure A?

Back

D

Front

What is the scale factor if the new figure is 4 times larger than the original?

Back

4

Front

If the scale factor is less than one, the new figure will be ________

Back

Smaller.

Front

If the scale factor is 1, the new figure is ________

Back

the same size as the original.

Front

What happens to the dimensions of a shape when the scale factor is greater than 1?

Back

The dimensions increase.

Front

What happens to the dimensions of a shape when the scale factor is between 0 and 1?

Back

The dimensions decrease.

Front

If a triangle has a scale factor of 2, what is the area of the new triangle compared to the original?

Back

The area is 4 times larger.

Front

What is a scaled copy?

Back

A figure that is the same shape as another but is a different size.

Front

If the original shape has a perimeter of 10 cm and the scale factor is 3, what is the perimeter of the scaled copy?

Back

30 cm.