Tony runs 8 miles in 2 hours. What is his unit rate in miles per hour?
4 miles per hour
What is the constant of proportionality in this table?
x y
3 9
7 21
9 27
k = 3
=WWhat is the constant of proportionality in this graph?
k = 2
2 miles per hour
What is the constant of proportionality in this equation?
y = 6x
k = 6
7 + 3 x 2
13
Natalia bakes 700 cookies in 7 days. What is her unit rate in cookies per day?
What is the constant of proportionality in this table?
packages pieces of gum
2 24
5 60
11 132
k = 12
Is this graph proportional? Why or why not?
No, because it doesn't start at the origin (0,0).
___ + 26 = 40
14
(14 + 3) - (42 ÷ 7)
11
Connor typed 150 words in 3 minutes. What is his unit rate in words per minute typed?
50 words per minute
Fill in the missing space in this proportionality table
Fingers Hands
5 1
10 2
30 _____
____ = 6
What is the constant of proportionality in this graph?
k = 6/5 or 1.2
7x = 49
x = ?
(8 - 6 + 4 - 2) x (3 x 3 + 2)
44
Darren scored 78 points in 4 basketball games. What is his unit rate in points per game?
19.5 points per game
turtles carrots eaten
6 15
10 25
12 30
k = 2.5
Is this graph proportional? Why or why not?
No, it is not a straight line so it is not proportional.
8x - 10 = 6
x = ?
x = 2
(100 + (36 ÷ 6) - 90) - (4 x 4)
0
Emily rode 17 rides at Disneyland in 5.5 hours. What is her unit rate in rides per hour?
3.09 rides per hour
What is the constant of proportionality in this table?
minutes math problems completed
10 8
20 16
40 32
k = 0.8 or 4/5
Which car has a greater constant of proportionality, the blue (left) or green (right)? Why?
Green: k = 50
The blue car has a higher constant of proportionality.
2x + 11 = 21
x = ?
x = 5
(3 x 3 x 3) + 11 x 3 - 4 x 10
20