# FINDING UNIT RATE WORKSHEET

Finding Unit Rate Worksheet :

Worksheet given in this section will be much useful for the students who would like to practice solving problems on finding unit rates.

## Finding Unit Rate Worksheet -  Problems

Problem 1 :

While remodeling her kitchen, Angela is repainting. She estimates that she paints 55 square feet every half-hour. How many square feet does Angela paint per hour ?

Problem 2 :

Paige mows 1/6 acre in 1/4 hour. How many acres does Paige mow per hour?

Problem 3 :

Greta uses 3 ounces of pasta for every 3/4 cup of sauce. How much pasta does she use per cup of sauce ?

## Finding Unit Rate Worksheet - Solutions

Problem 1 :

While remodeling her kitchen, Angela is repainting. She estimates that she paints 55 square feet every half-hour. How many square feet does Angela paint per hour ?

Solution :

Step 1 :

Determine the units of the rate.

The rate is area in square feet per time in hours.

Step 2 :

Find Angela’s rate of painting in area painted per time.

Area painted : 55 sq ft and Time : 1/2 hour

Area painted / Time  =  (55 square ft) / (1/2 hour)

The fraction represents area in square feet per time in hours.

Step 3 :

Find Angela’s unit rate of painting in square feet per hour.

Rewrite the fraction as division :

(55 square ft) / (1/2 hour)  =  55 ÷ 1/2

Multiply by the reciprocal :

=  55 x 2/1

=  110 square feet / 1 hour

(The unit rate has a denominator of 1)

Angela paints 110 square feet per hour.

Problem 2 :

Paige mows 1/6 acre in 1/4 hour. How many acres does Paige mow per hour?

Solution :

Step 1 :

Determine the units of the rate.

The rate is area in acre per time in hours.

Step 2 :

Find Paige's rate of mowing in area mowed per time.

Area mowed : 1/6 acre and Time : 1/4 hour

Area mowed / Time  =  (1/6 acre) / (1/4 hour)

The fraction represents area in acre per time in hours.

Step 3 :

Find Paige’s unit rate of mowing in acre per hour.

Rewrite the fraction as division :

(1/6 acre) / (1/4 hour)  =  1/6 ÷ 1/4

Multiply by the reciprocal :

=  (1/6) x 4/1

=  (4/6) / 1

=  2/3 acre / 1 hour

(The unit rate has a denominator of 1)

Paige mows 2/3 of an acre per hour.

Problem 3 :

Greta uses 3 ounces of pasta for every 3/4 cup of sauce. How much pasta does she use per cup of sauce ?

Solution :

Step 1 :

Determine the units of the rate. The rate is in ounces per cup.

Step 2 :

Find Greta's rate of using pasta in ounces per cup of sauce.

Pasta used : 3 ounces and Sauce : 3/4 cups

Pasta used / Sauce  =  3 ounces / (3/4 cups)

The fraction represents pasta in ounces per 3/4 cup of sauce.

Step 3 :

Rewrite the fraction as division :

3 ounces / (3/4 cups)  =  3 ÷ 3/4

Multiply by the reciprocal :

=  3 x 4/3

=  4 / 1

=  4 ounces / 1 cup

(The unit rate has a denominator of 1)

Greta uses 4 ounces of pasta for every 1 cup of sauce.

After having gone through the stuff given above, we hope that the students would have understood, how to unit rate.

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