10-17 Scaling up and Scaling down

Front

What is scaling up?

Back

Scaling up refers to increasing the size or amount of something by a certain factor.

Front

What is scaling down?

Back

Scaling down refers to decreasing the size or amount of something by a certain factor.

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, a quantity.

Tags

CCSS.7.G.A.1

Front

If you multiply a number by 1, what happens to the number?

Back

The product remains equal to the original number.

Tags

CCSS.3.OA.B.5

Front

What is the result of scaling up a quantity by a scale factor of 3?

Back

The new quantity is three times the original quantity.

Tags

CCSS.4.OA.A.1

Front

What is the result of scaling down a quantity by a scale factor of 1/3?

Back

The new quantity is one-third of the original quantity.

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

Front

How do you determine if you are scaling up or down?

Back

If the new quantity is greater than the original, you are scaling up; if it is less, you are scaling down.

Tags

CCSS.4.NF.A.2

Front

What is the missing piece of the proportion if the original amount is $39,000 and the scale factor is 3?

Back

$117,000.

Tags

CCSS.7.RP.A.2B

Front

If a recipe calls for 2 cups of flour and you want to double it, how much flour do you need?

Back

4 cups of flour.

Tags

CCSS.4.OA.A.1

Front

If you have a model that is 1/4 the size of the original object, what is the scale factor?

Back

The scale factor is 1/4.

Tags

CCSS.7.G.A.1