Integer Operations
Expressions
Equations
Inequalities
Ratios & Rates
100
Using integer chips, model and solve:
-1 + 4
-
++++
Answer: 3
100
Simplify 8x + 2 + 7x - 6
15x - 4 or 15x + -4
100
Solve for x:
x + 7 = 2
x = -5
100
Draw a graph that would match the inequality x < 4
100
Find the C.O.P.
C.O.P. is 12
200
Using a number line model and solve:
5 - 8
200
-7(2f + 10)
-14f + -70 or -14f - 70
200
Solve for x:
-3x = 36
x = -12
200
Solve the inequality for x: (remember to show your 7th grade work)
-5x > 15
x < -3
Remember to flip the sign!
200
Find the C.O.P.
C.O.P. is 16
300
A negative multiplied by a negative will give you what kind of answer? (Positive or Negative)
Positive
300
Factor: 24x + 20
4(6x + 5)
300
Solve for x:
x/-4 + 7 = -5
x = 48
300
You and your "significant other" go on a date. Dinner was $25 and you buy 2 movie tickets. You want to spend no more than $40.00 total. How much can you spend for each movie ticket? Write and solve an inequality.
2x + 25 ≤ 40
x ≤ 7.50
300
What 2 things make a graph proportional?
Goes through the origin (0,0) and is a straight line
400
A negative plus a negative will give you what kind of answer? (Positive or Negative)
Negative
400
A number in front of a variable is called a what?
coefficient
400
Solve for m:
- 8( - 3m + 2) = 152
24m - 16 = 152
24m = 168
m = 7
400
Write and solve an inequality that represents the following:
-4 times a number is less than 16
-4x < 16
x > -4
400
Greg paid $13.47 for 3 pounds of ice cream. What is the price per pound of ice cream?
What is $4.49/lb
500
The temperature in Fairbanks was -28 degrees. The temperature in San Antonio was 61 degrees. How much lower was the temperature in Fairbanks than in San Antonio?
When we compare difference of 2 points, we subtract:
61 - - 28 =
89
500
-5(2x + 10) + 20
-10x + -50 + 20
-10x + -30 or -10x - 30
500
Solve for w:
– 2w – 5(1 – 3w) = 86
-2w - 5 + 15w = 86
13w - 5 = 86
13w = 91
w = 7
500
Write 3 keywords that would match the following inequality symbol:
≤
budget, no more than, less than or equal to, maximum, at most
500
You make $58 working 8 hours. How much would you make working 5 hours?
$36.25