Ratios
Write the following ratio simplified (hint some ratios can't be simplified): 4 : 6
2 : 3
In 8 hours, Mike Wazowski can scare 32 kids. How many can he scare in 1 hour?
He scares 4 kids per hour.
Decimals to Percents 0.75
75%
Write 4/5 as a percent.
80%
What is the equation for rate?
R = D/T
Which ratio is not equivalent to the others?
a) 1 : 7 b) 2 : 5 c) 4 : 10 d) 8 : 20
a) 1 : 7
A package of 24 pencils costs $3.60. What is the cost per pencil?
$0.15
90%
What is .9 or .90
Write 1/8 as a percent? (Round to a whole number)
13%
What is the equation for Distance?
D= R . T
There are 2 red blocks, 3 orange blocks, and 4 black blocks. What is the ratio of all to black blocks?
9:4
Mr. McBride bought two batting gloves for $12.00. What is the unit price per batting glove?
$6.00
Decimals to Percents 0.04
4%
Convert the fraction 4/10 to a decimal
0.4 or 0.40
What is the equation for time?
T= D/R
What term is used when two ratios express the same relationship between numbers (they have the same value).
Equivalent
The local grocery store sells a 4-pound chicken for $9.00. What is the price per pound?
$2.25
Decimals to Percents .4
What is 40%
What is a percent always out of?
100
A boy throws a baseball 18yds in 6 sec. How fast is the ball traveling?
3yds per second
Write 2 equivalent ratios to 40 : 60.
2:3 4:6
6:9 8:12
10:15 12:18
14:21 16:24
18:27 20:30
22:33 24:36
Wrigley can jog 2,000 feet in 4 minutes. If he jogs at the same rate, how many feet can he jog in 8 minutes?
4,000 feet
Percents to Decimals100%
1.0 or 1
What does the numerator of a fraction tell us? (Part or whole #)
Part #
--------
Whole #
A dog runs 12 mph for 4 hours. How far does it run?
48 miles