Expressions and Equations
Inequalities
Percent
Geometry
Misc. Review
1
Evaluate the expressions: 3x-5y
x= 5
y= -3
3(5)-5(-3)
15+15
30
1
Solve the inequality
x/5-2<=4
x/5<=6
x=30
1
A dress was originally $800 but is now on sale for $600. What is the percent decrease?
800-600=200
200/800= 0.25 x 100 = 25%
1
Find the measure of angle y.
180-77=103
1
This is a scale drawing of a tractor wheel. If the scale is 2 in to 5 feet. What is the actual diameter of the tractor wheel.
S | A
2 in | 5 feet
18 in | x feet
5/2=2.5
18x 2.5 = 45 feet
2
Simplify the expression.
3x-5y+12x-8+15y
15x+10y-8
2
Joe has $20 to spend. He wants to buy freeze pops that costs $0.75 each. Write and solve inequality to show how many freeze pops, x, he can buy.
26 freeze pops
0.75x<=20
x<=26.67
2
Luis has a coupon that gives him 20% off at a shoe store. If s represents the cost of his shoes, write an expression to represent the cost of the bill, after the coupon?
c-.2c
.8c
2
Find the value of x.
2x=96
x= 48
2
What is 0.5x0.34
0.17
3
Chocolate costs $0.75 an ounce.
Write an equation to find C, the total cost of x ounces of chocolate.
c=0.75x
3
Opal wants to make at least $500 this month. She makes $15 per hour babysitting and $10 per lawn she mows. Write an inequality to represent the amount of hours spent babysitting, x, and lawns she will need to mow, y, to meet her goal.
15x+10y>=500
3
Kendra got 20 questions correct on her test the first time and 26 questions correct the second time. What is the percent increase?
26-20=6
6/20=0.3
30%
3
A rectangular prism has the following dimensions.
Height of 10 feet, width of 6 feet and length of 2 feet.
Find the volume
10 x 6 x 2=
120
3
(6/8) x (1/7)
0.107
4
Distribute the expression.
6(2x+5)
12x+30
4
Solve the inequality
-2x+15<=45
-2x+15<=45
-2x<=30
x>=-15
4
A store sold 500 hoodies in September. In October they sold 20% more. How many more hoodies did they sell in October compared to September?
500x0.2= 100
100 hoodies more
4
Find the area of the circle
d=8
r=4
A=pi x r x r
A=3.14 x 4 x 4
A=50.24 cm squared
4
The following options are available at a sandwich shop. If someone chooses one bread, one meat and one cheese, how many different combinations are there?
Bread: Meat: Cheese:
white turkey swiss
wheat ham American
rye chicken
3x3x2= 18