Important Concepts
Adding Integers
Subtracting Integers
Word Problems
Mixed Review
Expressions and Equations
100
Absolute Value
The distance of a number from zero
100
-5 + 9
4
100
-4 - 6
-4 + (-6) = -10
100
Jason dives 10 feet under water and swims back up 3 feet. Where is his current location in the water?
-10 + 3= -7
100

Graph the inequality:

x > - 4

Open circle, to the right of - 4

100

Simplify:

5(y + 7)

5y + 35

200

Integer

Positive and negative whole numbers and 0

200
-12 + 5
-7
200
4 - 11
4 + (-11) = -7
200
Chris gets paid $100, and then must pay his cable bill which is $245. How much money does he have?
100 - 245 = $-145
200

Place parenthesis to make true 

12 x 4 + 2 - 12 = 60


12 x (4 + 2) - 12 = 60


200

Solve:

8x + 11 = 43

x = 4

300

What are zero pairs? Define and give an example!

Numbers that are opposite and have a sum of zero

300
-16 + (-17)
-33
300
15 - (-7)
15 + 7 = 22
300

The temperature is now 8 degrees, it fell 12 degrees overnight. What temperature was it last night?

8 -12 = -4 degrees

300
GCF of 72 and 102
6
300

Evaluate:

 2x + 12 when x = 8

28

400
What does this mean? |-6| = 6
The absolute value of -6 is 6, or -6 is 6 units from zero.
400
How do you find the sum of numbers with different signs
Subtract and take the sign of the # with the greater absolute value
400
-27 - (-3)
-27 + 3 = -24
400

In a game, Jacob earned 15 points in the first round, in the 2nd round he lost 20 points for not showing sportmanship. In the final round he scored double what he did in the first round. What is his final score?

15 + (-20) + 30 = 25 points

400

3.67 x 9.3



34.131

400

Bob earns $30 per hour tutoring a 3rd grader in math. If he gets a one-time tip of $20, which expression represents how much he will make after h hours of tutoring?

A. 50h     B. 30 + 20h     C. 20 + 10h     D. 30h + 20

D. 30h + 20


500

Subtracting a positive number is the same thing as...

Adding a negative 7-4 = 7 +-4

500
-16+18+-17
-15
500
-10 - 11 - (-3)
-10 + (-11) + (3)= -18
500

There was 5/8 of a pie left in the fridge. Daniel ate 1/4 of the leftover pie. How much of a pie did he have?

5/32 of the pie

500

A train travels 144 miles in 6 hours, how many miles does it travel in 4 hours?

96 miles

500

Write using exponential notation: 


3 x 3 x 3 x 3 + 4 x 4 x 4 x 4 + 8 x 8

33 + 44 + 82