Week 6 Wednesday warm-ups: Ratios & rates, including unit rates/ Solving proportions
Feel free to use your calculator.
1) REVIEW: What’s
1
5
as a decimal?
2) REVIEW: What’s .45 as a fraction?
3) If the Beavers won 6 out of 8 games, what’s the ratio of wins to losses?
4) What’s the unit rate in mph of someone driving 248 miles in 4 hours?
5) Solve for n:
6) Solve for n:
3
5
=
15
60
𝑛
20
=
8
𝑛
---------------------------------------------------------------------------------------------------Week 6 Thursday warm-ups: Proportion word problems
Feel free to use your calculator.
1) REVIEW: There are 2 experienced volunteers and 6 new volunteers.
a. What’s the ratio of new to experienced volunteers?
b. What’s the ratio of experienced volunteers to total volunteers?
2) REVIEW: Solve for n:
𝑛
5
=
3
7.5
3) Joe makes $12.75 an hour.
a. If he works for 32 hours, how much will he earn?
b. If he earns $471.75 one week, how many hours did he work?
4) CHALLENGE: If you have 384 fluid ounces (fl. oz) of water, how many cups
do you have? How many gallons? (There are 8 fl. oz. in a cup. There are 16
cups in a gallon.)
D. Stark 10/30/2016
1
Fall term review questions #6 [to be done after Thursday’s lesson]
1) –18 + 63 =
24 – (–57) =
–132  12 =
2) Convert .8 to a fraction in lowest terms.
3) 3
1
4

3
10

20
13
=
4) Round 231.406 to the nearest hundredths.
5) A small animal shelter has just dogs and cats for adoption. If there are 12
dogs and 8 cats, what’s the ratio of dogs to total animals waiting to be adopted
at this shelter?
6) What’s the unit rate in mph of someone who walks 4.125 miles in an hour
and a half? CALCULATOR OK
7) What’s the unit price in dollars per ounce of crackers that cost $2.54 for a
14.4 ounce box? Round your answer to the nearest cent. CALCULATOR OK
8) Solve for n:
9) Solve for n:
10) Solve for n:
3
5
=
𝑛
𝑛
40
=
5
108 12
9
6
24
=
𝑛
D. Stark 10/30/2016
2