Test Review

Simplify

100

3+5*2

13

200

(8-2) * (3+4)

42

300

6+18÷3*2

18

400

9*(4+2)-5

49

500

(3² + 4) ÷ 2

6.5

Algebraic Expressions

100

Evaluate this expression when x=2 

x+2=

4

200

Write the algebraic expression based on the phrase:

Twice a number minus three

2x-3

300

Evaluate when x=5 and y=2 

x²-y

23

400

Write an expression based on the phrase 

The quotient of a number and 5 plus 6

x/5 + 6

500

Write this expression into words 

3(x+8) - 2(x-9)

The difference of thrice the sum of a number and 8 and twice the difference of a number and 9.

Writing equations to model situations

100

Daniel has 5 more styluses than Zitlaly. Define a variable for Zitlaly's styluses and write an equation for the number of styluses Daniel has.

Z+5 

200

A taxi charges a $3 one time fee and $2 per mile. Define a variable for the number of miles traveled and write an equation for the total cost. 

3+2m (m=miles)

300

The total cost is the number of clothes times $6.90

6.90c=T

c=clothes

T=total cost

400

A rectangle's length is 3 times its width. Define a variable for the width and write an equation for the length. 

3w 

w=width of rectangle. 

500

A train travels at 60 miles per hour. Define a variable for the number of hours traveled and write an equation for the total distance traveled. 

60h 

h=number of hours traveled. 

Whole number, integers, rational, irrational number

100

What type of number is 5

Whole, Integer, rational 

200

What type of number is 1/2

Rational number

300

What type of number is -3

Integer and rational number

400

What type of number is 0

whole number, Integer, and rational

500

What type of number is √2 

irrational number

Extras

100

What is the absolute value of |-6|

6

200

Use <, =, or > to compare

13/6  and   1   1/4

13/6 > 1 1/4

300

Find the mean, median, and mode of the numbers

9,3,5,3,1

Mean= 4.2

Median= 3

Mode= 3

400

Find the range of the numbers 

20,15,50,30

35

500

Define variables and write an equation to model the relationship in the table. 

This table shows the relationship between the number of hours a person works and the amount of money they earn. 

Hours worked(h)        Money earned(m)

2                                       30

4                                        60

6                                        90

8                                       120

h= hours worked

m=amount of money earned 

m=15h