Lesson 5.1
Write the ratio as a fraction in simplest form.
48 worksheets : 12 students
4 worksheets
1 student
Tell whether the ratios form a proportion.
56/20 , 24/10
No
Use the table to write a proportion.
| 512 MB | 2 GB |
Hours | 17 | 68 |
Songs | s | 1000 |
17 = 68
s 1000
Solve the proportion.
w = 5
84 7
w = 60
Find the slope of the line that passes through these two points:
(-4, -3), (4, 3)
slope = 3/4
Write the ratio as a fraction in simplest form.
35 frogs to 21 lizards
5 frogs
3 lizards
Tell whether the ratios form a proportion.
5/8 , 42.5/68
Yes
What football position did Mr. Burgett play in high school?
a. TE - tight end
b. LT - left tackle
c. WR - wide receiver
d. QB - quarterback
a. TE - tight end
Solve the proportion.
3x = 8
7 21
x = 8/9
Tell whether x and y show direct variation.
5x - 3y = 0
Yes, the equation can be written as y = 5/3 x.
Find the unit rate.
240 kilometers in 2.5 hours
96 km per hr
Tell whether x and y are proportional.
x | 5 | 10 | 15 | 20 |
y | 1 | 3 | 5 | 7 |
No
Use the table to write a proportion.
| Tank A | Tank B |
Fish | 6 | f |
Gallons | 10 | 55 |
6 = f
10 55
Solve the proportion.
16 = n + 2
10 5
n = 6
Tell whether x and y show direct variation.
x = y - 2
9
No, the equation cannot be written as y = kx.
The equation is y = 9x + 2.
Find the unit rate.
$15 for 4 quarts
$3.75 per q
Tell whether x and y are proportional.
x | 2 | 3 | 4 | 5 |
y | 5 | 7.5 | 10 | 12.5 |
Yes
You can buy 5 pounds of grapes for $9.95. Write a proportion that gives the cost of c if you buy 4 pounds of grapes.
9.95 = c
5 4
As part of a pancake recipe, you mix 3/4 cup of milk for every 1 cup of flour to make 7 cups of batter. How much of each ingredient do you use?
3 cups of milk and 4 cups of flour
The variables x an y vary directly. Use the values to find the constant of proportionality and write an equation that relates x and y.
y = 4; x = 6
k = 2/3
y = 2/3 x
You earn $102 for doing 12 hours of yard work. Your friend earns $120 working at a store for 15 hours.
a. Who has a greater hourly rate of pay?
b. What would you earn if you did 15 hours of yard work and were paid at your same hourly rate?
a. You do.
b. $127.50
Which is NOT the name of one of Mr. Burgett's daughters?
a. Azariya
b. Amira
c. Alivia
d. Amelia
d. Amelia
FINAL JEOPARDY QUESTION
What is Mr. Burgett's favorite candy bar?
a. Snickers
b. PayDay
c. Whatchamacallit
d. 3 Musketeers
b. PayDay
There are 25 computers in a math lab. There are 6 activity booklets for every 2 computers in the math lab. How many activity booklets are in the math lab?
75 booklets
A line has a slope of 5. It passes through the points (1, 4) and (6, y). What is the value of y?
y = 29