Scaling With Proportions

two ratios that are equivalent to one another

• Rate

• Equivalent Ratios

• Proportion

• Ratio

Multiplying two related amounts by the same number

• Scaling Down

• Scaling Up

• Unit Scale

• Cost Rate

Dividing two related amounts by the same number

• Scaling Down

• Scaling Up

• Unit Scale

• Cost Rate

two ratios that express the same relationship between numbers

• Proportion

• Equivalent Ratios

• Unit Rates

• Ratios

Scale up or scale down each ratio to find the unknown quantity?

• 42 miles

• 72 miles

• 62 miles

• 52 miles

You are doubling a cookie recipe. The original uses 3/4 cup sugar. How much sugar is needed?

• 1 cup

• 1 1/2 cup

• 1 1/3 cup

• 2 cups

• 5

• 55

• 56

• 12

Three slices of cheese cake have 4,200 calories. How many calories will 8 slices of the same cheese cake?

Solve the proportion by scaling up or scaling down.

• 8 oz

• 72 oz

• 22 oz

• 6 oz

• 10 miles

• 5 miles

• 6 miles

• 8 miles