Scale Factor

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, a quantity. It is used to determine how much larger or smaller a figure is compared to another figure.

Front

If the scale factor is 4, what does this mean for the dimensions of a shape?

Back

It means that each dimension of the shape is multiplied by 4, making the shape 4 times larger.

Front

From square A to square B, if the side length is multiplied by 2, what is the scale factor?

Back

2

Front

If the scale factor is less than 1, what does this indicate about the size of the copy compared to the original?

Back

The copy is smaller than the original.

Front

Calculate the actual distance if the scale is 1 in = 300 miles and the distance on the map is 3 in.

Back

900 miles

Front

From square A to square B, if the side length is multiplied by 4, what is the new side length if the original side length is 2 cm?

Back

8 cm

Front

What happens to the area of a shape if the scale factor is 2?

Back

The area increases by a factor of 2^2 = 4.

Front

If the scale factor is 1, what can we say about the two shapes?

Back

The two shapes are the same size.

Front

From square A to square B, if the side length is multiplied by 3, what is the scale factor?

Back

3

Front

If a shape is enlarged by a scale factor of 5, what is the relationship between the original and the new shape?

Back

The new shape is 5 times larger than the original shape.