Like-Terms
Single-Step Equations
Two-Step Equations
Word Problems
Vocabulary
100

Are the numbers 3 and 4 like-terms? 

Yes 

100

2+x=3

x=1

100

2x-3=9

x=6

100

Two brothers had 10 books together. The one brother bought 4 books. How many books did the other brother buy? Write an equation.

4+x=10

100

What is a variable? 

A letter used to represent an unknown number. 

200

What is 3x+4?

3x+4

200

2x=-12

x=-6

200

-3x-8=-20

x=4

200

The Chicago Bulls scored 79 points. The Cleveland Cavaliers scored 13 less points. How many points did the Cleveland Cavaliers score? Write an equation for this sentence. 

x+13=79

200

What is the coefficient? 

The number/numerical value 

300

Which two numbers are like-terms? 7o,5p,100o

7o and 100o

300

x-150=300

x=450

300

5y+2=12

y=2

300

The kindergarten section of the school had 12 classrooms. If each classroom can accommodate 15 kids, how many kids can the whole kindergarten section accommodate? 

k/15=12

300

What is an inverse operation? 

Opposite operations

Addition<->Subtraction

Multiplication<->Division

400
Five rabbits and two more rabbits. Write an equation using like-terms. 

5r+2r

400

a/12=2

a=24

400

195=100y-5

2=y

400

Evan is making meatballs and pasta for his friends. He makes 30 meatballs, and wants 5 meatballs on each plate. How many plates will Evan need? Write an equation. 

5p=30

400
What is a like-term? 

Terms with the same variables, but can have different coefficients. 

500

What is 9x+4y+10x?

19x+4y

500

x+245=440

x=195

500

23=x/3+26

-9=x

500

At your local farmers market, it costs $10 to rent a stand, and $7 for every hour you stay there. If you paid a total of $38, how many hours would you stay at the farmers market? Write an equation. 

10+7h=38

500

What is an equation? 

Two equal expressions (whenever both sides have the same value)