1. CHAPTER 2
TEST
REVIEW

2. > GREATER THAN < LESS THAN INEQUALITY SYMBOLS:
Comparing integers:
INEQUALITY SYMBOLS:
> GREATER THAN
< LESS THAN

3. Examples:
12 □ -15
-34 □ -16
123 □ 125
54 □ 49
13 □ -13
46 □ 45
The humidity yesterday was 83% and today its 75%.
Write an inequality statement for the humidity.

4. Order integers:
Given a set of integers, put them in order from least to greatest.
1. {9,3,5,1,0,12,8}
2. {-4,-12,0,-56,-23,-1}
3. {12,-9,10,4,-3,-7,0}

5. Absolute value:
Absolute value is the distance a point is from zero on a number line.
Symbols 78
11 −
3 -5

6. ADDING INTEGERS:
GOAL: ADD TWO INTEGERS AND ADD MORE THAN TWO INTEGERS
ADDING TWO OR MORE POSITIVE INTEGERS:

7. -34 + (-12) -45 + (-13) -107 + (-50) -63 + (-44) -54 + (-83) + (-100)
ADDING TWO OR MORE NEGATIVE INTEGERS
-34 + (-12)
-45 + (-13)
(-50)
-63 + (-44)
-54 + (-83) + (-100)
-39 + (-90) + (-7)
-46 + (-28) + (-34)

8. -56 + 12 34 + (-27) 45 + (-19) -89 + 72 12 + (-23) + (-42)
ADDING TWO OR MORE POSITIVE AND NEGATIVE INTEGERS
34 + (-27)
45 + (-19)
12 + (-23) + (-42)
83 + (-26) + 21
(-25)

9. SUBTRACTING INTEGERS:
GOAL: SUBTRACT INTEGERS AND EVALUATE EXPRESSIONS CONTAINING VARIABLES
EXAMPLES:
34 – 67
56 – 19
123 – 90
23 – 87
-76 – 77
-18 – 18
-38 – 54
-23 – 12

10. WATCH OUT FOR THE DOUBLE NEGATIVES!!!!
EXAMPLES:
-34 – (-23)
43 – (-61)
-73 – (-100)
-19 – (-82)
56 – (-21)
29 – (-13)
39 – (-14)
-45 – (-17)
WATCH OUT FOR THE DOUBLE NEGATIVES!!!!

11. If a = -11 , b = 8 and c= -6 evaluate each expression:
c – a – b
b – a + c
c + b – a
a – b + 14

12. WORD PROBLEMS:
The Bears scored 3 points in the first quarter, 14 points in the second
quarter, 10 points in the third quarter, and 6 points in the fourth quarter.
how many points did the Bears score for the game?
2. You enter an elevator on the 15th floor. You go down 9 floors. You then
go up 18 floors, then down 5 floors. What floor do you end up on?
3. The NASDAQ went down 7 points on Monday, up 12 on Tuesday, down 5
on Wednesday, down 16 on Thursday, and up 8 on Friday. What was the
total change for the week?

13. MULTIPLYING INTEGERS:
GOAL: MULTIPLY INTEGERS AND SIMPLIFY ALGEBRAIC EXPRESSIONS

14. Multiplying Integers with the Same Sign:
15(8)
30(4)
56(5)
90(8)
14(6)
-23(-3)
-19(-7)
-47(-3)
-100(-10)
-63(-3)

15. Multiplying Two Integers with Different Signs:
12(-3)
10(-23)
52(-2)
15(-7)
25(-8)
-13(3)
-45(2)
-100(9)
35(-4)
19(-5)

16. Simplifying Algebraic Expressions:
7(-6q)
9(-12y)
-3(-9x)
5a(6b)
-4x(-5y)
10a(9b)(2c)

17. Evaluate each expression if a = -5, b = 2 and c = -10

18. DIVIDING INTEGERS:
GOAL: DIVIDE INTEGERS AND FIND THE AVERAGE

19. DIVIDING INTEGERS WITH THE SAME SIGN:
27 ÷ 9
36 ÷ 12
-45 ÷ (-3)
-20 ÷ (-4)
-63 ÷ (-9)
78 ÷ 2
144 ÷ 12
-99 ÷ (-9)
-75 ÷ (-5)
88 ÷ 8

20. DIVIDING INTEGERS WITH DIFFERENT SIGNS:
76 ÷ (-2)
84 ÷ (-3)
-121 ÷ 11
-45 ÷ 15
100 ÷ (-25)
-56 ÷ 8
72 ÷ (-9)
2000 ÷ (-100)
170 ÷ (-17)
-48 ÷ 6

21. FINDING THE MEAN
Division is used in statistics to find the average, or the mean, of a set of data.
To find the mean of a set of data, find the sum of the numbers and then divide
by the number in the set
84, 90, 89, 93
-2, 8, 5, -9, -12, -2

22. Graphing:
{(5,2);(-3,6);(-1,-5);(0,4);(4,0);(-3,6);(1,1)}

23. FIND THE COODINATES FOR EACH POINT:B C D E

24. HOMEWORK
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