## Solving Problems Involving Unit Rate (6.RP.3b) (1&2)

Posted: October 8, 2013 in Periods 1&2

Solve unit rate problems including those involving unit pricing and constant speed.

Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units.

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### Homework:

1&2…Handout

1.Gustavo notices that his baseball team had 5 wins for every 4 losses.

Select all of the following statements that could accurately describe the number of wins and losses on Gustavo’s baseball team:

They had 35 wins and 28 losses.

They had 20 wins and 25 losses.

They won 12 out of 20 games.

They won 25 out of 45 games.

They lost 16 out of 36 games.

2.   Jamar has 18 nickels and 14 dimes in his piggy bank.

Select all the statements that are true about the relationship between the number of nickels and dimes in Jamar’s piggy bank.

For every 7 dimes in Jamar’s piggy bank, there are 9 nickels.

For every 18 nickels in Jamar’s piggy bank, there are 32 dimes.

The ratio of dimes to nickels is 14 to 32.

The ratio of nickels to dimes is 18:14.

3. On average, a bicycle tire completes 8 rotations every 3 seconds.

At this rate, about how many seconds will it take for the bicycle tire to complete 24 rotations?

4. A train covers a distance of 80 miles in 2 hours.

At this rate, about how many hours will it take to cover a distance of 200 miles?

5. At a department store, 5 pairs of socks cost \$27.50 and 3 shirts cost \$28.50.

How much would it cost to buy 2 pairs of socks and 4 shirts?

6. To make green paint, Tyler mixes 14 ounces of yellow paint with 10 ounces of blue paint.

How many ounces of yellow paint are there per ounce of blue paint?

7. The grocery store sells diapers in three different size packages. The table shows the cost of the different packages of diapers.

 Cost Package Size \$10.36 28 diapers \$13.44 56 diapers \$15.12 72 diapers

Which diaper package has the best value?

Key Vocab: