10-17 Scaling up and Scaling down

Front

What does it mean to scale up?

Back

Scaling up means increasing the size or amount of something, often by multiplying by a scale factor greater than 1.

Front

What does it mean to scale down?

Back

Scaling down means decreasing the size or amount of something, often by multiplying by a scale factor less than 1.

Front

What is a scale factor?

Back

A scale factor is a number used to multiply a quantity to increase or decrease its size.

Front

If the scale factor is 3, what happens to the original number?

Back

The original number is multiplied by 3, making it three times larger.

Front

If the scale factor is 0.5, what happens to the original number?

Back

The original number is multiplied by 0.5, making it half as large.

Front

What is the result of multiplying a number by a scale factor of 1?

Back

The result is the same as the original number; it does not change.

Front

If I scale a shape up by a factor of 4, how does its area change?

Back

The area increases by a factor of 4 squared (16), because area is two-dimensional.

Front

If I scale a shape down by a factor of 2, how does its perimeter change?

Back

The perimeter decreases by a factor of 2, because perimeter is one-dimensional.

Front

What happens to a number when multiplied by a fraction greater than 1?

Back

The product is greater than the original number.

Front

What happens to a number when multiplied by a fraction less than 1?

Back

The product is less than the original number.