Ch 2 Review - 7th Pre-Algebra

Adding Integers

100

15 + (-9)

6

200

5 +(-12)

-7

300

-21 + (-5) + (-8)

-34

400

58 + (-24) + (-31) + (-14)

-11

500

-13 + (-12) + (-16) + (14) + (-22)

-49

Subtracting Integers

100

5 - (-10)

15

200

-13 - (-18)

5

300

-10 - (-5) - (19)

14

400

-46 - (-13) - (-25) - (61)

53

500

-16 - (-23) - (17) - (-16) - (27)

-21

Multiplying/Dividing Integers

100

(-12)(8)

-96

200

-121 ÷ (-11)

11

300

(-45) ÷ (-9)(-7)

-35

400

(-1)(2)(-2)(-3)(-1)(-1)(-1)(-2)(-1)(2)

48

500

(4)(-12) ÷ (-3)(2) ÷ (-8)(2)

-8

Absolute Value and Inequalities

100

- |-18.1|

-18.1

200

| 10 + (-28)|

18

300

Write an inequality for the two following:

24 and |-31|

24 < |-31|

400

-12 + | -11 - (-8) | + (-13)

-22

500

Write an inequality for the following:

(-2)(-5) + (-13) and -8 +|-15 - (-4)|

(-2)(-5) + (-13) < -8 +|-15 - (-4)|

or 

-3 < 3

Graphing

100

Graph the following coordinate points:

(-4, 8), (-2, 0), (2, -6), and (0, 7)

Answer on board

200

What quadrant will the point (-5, -8) be in?

Quadrant 3

300

What quadrant will the point with the following signs be in:

(+, -)

Quadrant 4

400

The difference between Michael and Caleb's golf scores is 3. If x represents Michael's score and y represents Caleb's score, make a graph of possible values for x and y. Include at least four points on your graph

Answer on board

500

What quadrant is the point (5, 0) in?

It is not in a quadrant