Rates and Unit Rates
Equivalent Ratios
Solving Proportions
Similar Figures
All About Scales
100
Is the following a unit rate?
$4.00 for 1 gallon
Yes
100
Find an equivalent ratio and write a proportion:
3/5
3/5=6/10, 3/5=9/15, etc.
100
Solve the proportion:
1/2=2/x
x = 4
100
The triangles are similar. Find the missing side:
x = 10
100
What is the scale factor? Write your answer as a fraction.
1/4
200
Is the following a unit rate?
1 Vernor's for $2.50
No
200
Find an equivalent ratio and write a proportion:
7/9
7/9=14/18, 7/9=21/27, etc.
200
Solve the proportion:
3/x=15/25
x = 5
200
The triangles are similar. Find the missing angle:
x = 58°
200
What is the scale factor? Write your answer as a fraction.
1/10
300
Convert the following to a unit rate:
$10 for 5 Mtn Dews
$2 for 1 Mtn Dew
300
Are the two ratios equal to each other?
8/12, 20/32
No
2/3, 5/8
300
Solve the Proportion:
4/5=z/30
z = 24
300
BONUS QUESTION:
What would fall to the ground faster:
Acorn
Bowling ball
They would hit the ground at the same time!
300
I have a model train that is a 1/24 scale model of a real life train. If my train is 30 inches long, how long is the train in real life?
720 inches
400
Convert the following to a unit rate:
56 candy bars for $112
0.5 candy bars for $1
400
BONUS QUESTION
True/False: The earth is the 4th planet in the solar system.
False! Earth is the third planet!
400
Solve the proportion:
6/7=15/y
y = 17.5
400
Are the following shapes similar? Why or why not?
No. They are not similar. Angles B and D don't correspond to angles F and H.
400
Is the given model a scale model of the car? Why or why not?
No. The height and length have two different ratios
500
Which is the better deal?
6 bags of peanuts for $14
OR
15 bags of peanuts for $38?
6 bags for $14
500
Are the two ratios equal to each other?
63/72, 77/88
Yes
7/8=7/8
500
Solve the proportion:
2.5/8=x/48
x = 15
500
Are the following shapes similar? Why or why not?
Yes they are similar. All corresponding sides are proportional and all corresponding angles are equal.
500
On a map of Michigan, the distance between Breckenridge and Detroit is 4 inches. The map scale is 2 inches : 65 miles. How far is it from Breckenridge to Detroit?
130 miles