Constant of Proportionality and Unit Rates Review

Front

What is the unit rate when you can buy 36 cookies for $4?

Back

9 cookies per dollar.

Front

What must be true about a unit rate?

Back

It is always 'per' one thing.

Front

Which is the better buy: a 12 ounce can of corn for $1.92 or a 20 ounce can of corn for $3.00?

Back

The 20 ounce can.

Front

If Kendall used 1/2 of a bag of seed to plant 1/10 of her garden, how many bags will she use to plant her entire garden?

Back

5 bags.

Front

What is the constant of proportionality if the ratio is 1.50?

Back

1.50.

Front

Define 'constant of proportionality'.

Back

The constant ratio between two proportional quantities.

Front

How do you calculate a unit rate?

Back

Divide the quantity by the number of units.

Front

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

Front

What is the unit rate for 15 apples costing $3?

Back

5 apples per dollar.

Front

If a recipe requires 2 cups of flour for 4 servings, what is the unit rate of flour per serving?

Back

0.5 cups of flour per serving.