Solving equations
Solving Inequalities
Writing Equations
Writing Inequalities
Review
100
What is the solution to the following equation?
x - 5 = 23
x = 28
100
Solve the following inequality
x - 5 > 17
x > 22
100
Opposite numbers always equal what?
Zero
100
Name all 4 inequality symbols with their correct symbol.
** Must have correct signs for full credit!
Greater than >, Less than <, Greater than or equal to >, Less than or equal to <.
100
Put the following integers in order from greatest to least.
3, -4, -1, 2, 0
3, 2, 0, -1, -4
200
What is the solution to the following equation?
x + 12 = 9
x = -3
200
If I were graphing the inequality x < 12, would I use an open circle or a closed circle?
Open circle
200
Sean wants to buy a DVD that sells for $12. An advertisement says that next week that DVD will be on sale for $9. Write and solve an equation to determine how much money Gavin will save if he waits to buy the DVD.
12-x = 9
9 + x = 12
200
Write an inequality for the following situation.
The temperature today will be at least 10°F.
x > 10°F.
200
Mark played a basketball game with some friends. He shot a total of 24 baskets, but only made 16 of them. What percent of his shots did he make?
66.7%
300
What is the solution to the following equation?
12x = 108
x= 9
300
Solve the following inequality
b +10 < - 37
b < -47
300
There are 144 pencils in a box. If each member of the class gets 8 pencils, there will be no pencils left over. Write and solve an equation to determine the number of pencils in each box.
8x = 144
18 pencils in each box.
300
Demarcus has at least $8 more than his older sister. His older sister has $4. Write and solve an inequality to determine the amount of money that Demarcus has.
m > 8 + 4
m > 12
300
What is the value of the expression?
42 + (5 + 12) - 3(-6) =
51
400
Graph the solution to the following equation on a number line
3 + x = 45
x = 42
400
What is a possible solution to the inequality
x - 15 > 12
Anything 28 or above
400
Luis walked for 16 minutes. Natalie walked for w minutes. Luis walked twice as long as Natalie. Write and equation to determine the number of minutes that Natalie walked.
2w = 16
400
Michele needs at least 30 ounces of pecans to bake some pies. Pecans are sold in 4-ounce packages. Write an inequality to determine the amount of packages that Michele needs to bake her pies.
4x ≥ 30
400
A recipe for a cake calls for 1/2 cup of flour. Mrs. Moreau wants to make 1/4 of the recipe. How much flour will Mrs. Moreau need for the recipe?
1/8 cup of flour
500
Solve the following equation.
x/15 = 20
x = 300
500
Solve the following inequality
12b > 42
b > 3.5
500
Mr. Sosha teaches 4 math classes, with the same number of students in each class. Of those students, 80 are sixth graders and 40 are fifth graders. Write an equation using x to determine the number of students in each of her 4 math classes and solve for the number of students in each class.
4x = 120
x = 30 students in each class
500
Solve and graph the solution to the following inequality on a number line
500
How many yards are in 1,254 feet?
418 yards