Pre-Algebra Chapter 1 Review

Expressions & Variables

100

Identify the variable in the expression k + 55

k

200

What is a² + 23 when a = 9?

104

300

What is 8^m when m = 3?

512

400

Write an expression for the product of 3 times 2 divided by a number

(3 * 2)/x

500

Write an expression to represent the number of inches in x yards

36x

Order of Operations

100

Evaluate 4[5 + 0(2)]

20

200

4[15-(2+5)]

32

300

4 + (365 - 7)(8)

2868

400

4 + (20/4)(3 + 2²)

39

500

3[(3 + 4)² - 17 + 9(2 * 7)]

474

Comparing & Ordering Integers

100

Order from least to greatest: -20, 17, 3, 0, -2

-20, -2, 0, 3, 17

200

Order from least to greatest: -12, -30, 10, 12, -13, 41

-30, -13, -12, 10, 12

300

Order from least to greatest: -12, 40, -22, 0, 3, -4, -43

-43, -22, -12, -4, 0, 3, 40

400

<, > or =?

427 __ |-426|

427 > 426

500

<, > or =?

9 __ |-24|

9 < 24

Integer Operations

100

Evaluate -32 + (-66)

-98

200

-51 + 73 = ?

22

300

-3 (-6)(-6 - 8) 

-252

400

8 + (-400) + |-400| + 400

408

500

-99/3[-3(9 - 7)]

198

The Coordinate Plane

100

What is the location of a point with coordinates (-2, 3)?

Quadrant II

200

How is an ordered pair written?

(x,y)

300

Describe how you would plot (0,-2) on a coordinate plane

It's on the y-axis, two units down

400

What type of coordinates do points in Quadrant II have?

negative x, positive y

500

Graph the point (-5,0) then the point (0, -3) and describe both locations.

check graphs

x axis

y axis