Integer Addition and Subtraction
Rates
Proportional Graphs and Tables
Integer Multiplication and Division
Proportion equations
100
-4 + (-7) =
-11
100
Find the unit rate:
240 miles in 4 hours
include units!
What is 60 mph? (60 mi/1hr)
100
State whether or not this graph represents a proportional relationship.
Yes!
100
When multiplying and dividing, two negatives give a: (positive or negative)?
Positive
100
Solve for w:
w/6=8/12
What is w=4?
200
9 + (-16)
-7
200
Find the unit rate:
$4.80 for 6 cans
include units!
What is $0.40 per can?
200
What two things tell us a graph shows a proportional relationship?
Straight line; through the origin
200
–7 * 9 =
-63
200
Solve for x:
12/10=a/15
What is a=18?
300
12 – (-2)
14
300
DAILY DOUBLE!
If I wanted to plot the point (–2.5, 7) on a graph, how should I move from the origin?
A) Move 2.5 to the right and then up 7
B) Move down 2.5 and then up 7
C) Move 2.5 to the left and down 7
D) Move 2.5 to the left and up 7
D
300
State whether each of these tables shows a proprtional relationship.
Yes for the Daily Post; no for the Evening Star
300
–450 / –30
15
300
Solve for x: x/8=7/10
what is x=5.6?
400
–81 – (-81)
0
400
DAILY DOUBLE:
What is the percent equivalent for 5/8?
62.5%
400
How long it would take the subway to travel 7 miles? It takes two minutes to go one mile.
14 minutes
400
Would -1/2 * (-5) * (-12) be positive or negative?
Negative
400
A fruit salad includes 8 grapes in every 3 cups of salad. How many grapes would be needed for 15 cups of salad?
40 grapes
500
–2 1/3 – 3 2/3
–6
500
Usain Bolt’s world record in the 100 m dash is 9.58 seconds.
If he kept the same pace, how long would he take to finish the 300 m dash?
28.74 seconds
500
State whether this table represents a direct proportion. If so, write an equation. If not, state why not.
Yes
y = 7x
500
6 1/2 * (–4 1/2)
–117/4
500
Solve for x:
35/28=x/12
What is x=15?