Vocabulary
Writing Expressions
Writing Equations
Solving Equations
Inequalities
100
The x in: 5 + 4x
What is the variable?
100

8 more than m

m + 8 or 8 + m

100

The difference of a number and 13 equals 3 Write an equation.

x - 13 = 3

100

Solve and check your solution. b - 7= -10

b = -3

100

Solve and graph the inequality

10+3x>46

x>12

200
The 4 in: 5 + 4x
What is the coefficient?
200

52 less than y

y - 52

200

The 6th grade class, which consists of 130 students, is going on a field trip by bus. Each bus can hold 26 students. How many busses will they need? Write an equation.

26b = 130

200

Solve and check your solution. 37 + m = 98

m = 61

200

Solve and Graph

-12x+4<52

x>-4

300
The 5 and 4x in: 5 + 4x
What are the terms?
300

Alex has read 5 books this week, and Ulises has read b books more than him. Write an expression that represents how many books Ulises has read.

5 + b

300

Grandma is knitting a scarf. She has knit 10 inches of the scarf and still has 38 inches left to finish. How long will the scarf be when it is completed? Write an equation.

s - 10 = 38

300

Solve and check your solution. 4x=628

x = 157

300

Dennis has $10 and wants to buy pens that cost $0.80 each. How many pens can Dennis buy and have at lease $6 left over?

1. Write an inequality to represent the situation

2. Solve

1. 10-0.8x greater than or equal to $6 

    Or 6+0.8x less than or equal to $10

2. x less than or equal to 5

400
The 5 in: 5 + 4x
What is the constant?
400
Mrs. Stanger made c amount of cookies. Ms. Anderson made 4 more than three times the number of cookies. Write an expression that represents the number of cookies Ms. Anderson made.
3c + 4
400

A movie theater has r rows of seats. There are 12 seats in each row. Write an equation that tells you the total number of seats, s, in the theater.

s = 12r

400

Solve and check your solution. -81 = -9y

y = 9

400

Jose has $40 and wants to buy tubes of paint that cost $2 each. How many tubes or paint can he buy and still have at least $23 left over for canvas?

1. Write an inequality

2. Solve & Interpret 

1.  40-2x greater than or equal to 23

     23+2x less than or equal to 40

2. x less than or equal to 8.5 tubes. 

   Since you cannot buy 1/2 a tube of paint- Jose can purchase 8 tubes or fewer.

500
An expression that has numbers and variables.
What is an algebraic expression?
500
Kyle went to the fair. It cost $12 to get into the fair, and $5 for each ride. If r stands for the number of rides that Kyle went on, write an expression for the total amount of money Kyle would be spending at the fair. BONUS: How much money would Kyle spend if he went on 4 rides?
12 + 5r BONUS ANSWER: $32.00
500

A guitar teacher charges $25 per hour to teach. Write an equation to find the total number of hours (h) he would need to teach in order to earn $500.

25h=500

500

Solve and check your solution. t/3 = 15

t = 45

500

Solve and Graph the Inequality

200-4.5x<20


x>40

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