Expressions & Equations

Vocabulary

100

This type of math problem has no equal sign. 

Expression 

200

This type of math problem has an equal sign

Equation

300

What is the acronym for order of operations? 

PEMDAS

400

Another word for the letters used in expressions and equations 

Variable 

500

What type of math where numbers and symbols are used to formulate expressions and equations. 

Algebra

One step Equations

100

2x + 1 = 5

x=2

200

x/3-4=11

x=5

300

3+4^t

Evaluate the expression when t is 1

Evaluate the expression when t is 3

t=7

t=67

400

^{x/10 = 3} 

30

500

20 = x + 4

16

Simplify Expressions

100

Simplify:

3(x+2)

3x + 6

200

4 (m + 9)

4m+36

300

20(20+2x)

400+40x

400

5(2𝑥 + 14)=

10x+70

500

Evaluate 7r−15/s when r =3 and s=5

18

Review

100

Write an equivalent expression to  8^3. 

8x8x8

512

200

3/5 of students in school are in sixth grade 

a. How many 6th graders are there if the school has 50 students

b. How many sixth graders are there if the school has 35 students?

 

a: 30

b: 21

300

Evaluate 

9^6

531,441

400

What is 75% of 26?

19.5

500

1/5 (35x + 75) + 1/6(78x + 90x)

35x + 15