Pre-Algebra Mid-term Review

Vocabulary

100

Is 2d + 5 an expression or an equation?

Expression

200

Is 5c - 2c = 3c and expression or equation

equation

300

Which number is the coefficient in the equation 3x + 6 = 18

3

400

Twice a number is 18 more than 5 times a number.

 2x=18+5x

500

Write as decimals

1. 7/9            

2. ⅜               

3. -⅔                  

1.0.778

2.0.375

3. -0.667

Review

100

Solve for y:  

x = 6

y = 2x - 3

9

200

Convert 3/4 mi. = _________ ft

3,960 ft.

300

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

$1.25 per pound

400

There are 4 milk chocolates to every 2 dark in a box of chocolates. There are 34 dark chocolates in the box. How many milk chocolates are in the box? 

68

500

Suppose you start hiking from a point 92 ft below sea level and break for lunch on a hilltop that is 1,673 ft above sea level. What is your change in elevations?

increase of 1,765 ft

Add/Subtract

100

What are the "like" terms in the expression 6h + 5y - 2y +8

 5y and -2y

200

Evaluate each expression if a=4/5, b=-5/6, and c=3 1/2. Write the product in simplest form.

1. ab

2. -3b

3. -1/3 ac

1. -2/3

2. 2 1/2

3. 14/15

300

x+5/4=7   

 Solve for x

x=23

400

Add the polynomials: 2a +3b + 5a -7b

7a-4b

500

15f−23=2(4f+20)

f=9

Mult./Divi

100

1. 4/9 x 3/5

2. -3 1/4 x 2

1. 4/15

2. -6 1/2

200

1. 1/4 divided by 1/16

2. -1 4/5 divided by 2/3

1. 4

2. -2 7/10

300

1. Evaluate: − 6 + 3(9 - 7) 

2. Evaluate: −8 ÷ 8 (1 + 3) - 1

1. 0

2. -3

400

Solve for k:

4(−2k−8)=6(k+18)  

k= -10

500

(4x^4)^2

16x^8  

Misc.

100

<,>, or =

|-6|      |-12|

<

200

What is the average?

Stock price changes: $6, -$6, -$9, $1, $3

-$1

300

Name the property shown:

7+6=6+7

Commutative Property of Addition

400

Multiply

2(7-3d)

What property was used?

14-6d

Distributive Property

500

Simplify

4x+3-2(5+x)

2x-7