Expression Review

Vocabulary

100

a symbol that represents a unknown value 

What is a Variable

200

a number without a variable

What is Constant

300

A number next to variable 

What is a Coefficient 

400

A property that states the grouping of number doesn't matter for addition and subtraction

What is Associative Property 

500

A number, variable, product of a number and variable separated by plus or subtraction sign

What is a term

Writing Expressions

100

The of sum of a number "n" and 5

What is "n+5"

200

Twice a number "n"

What is 2n

300

n less than 10

10 - n

400

2 more than the quotient of a number "n" and 5 

n/5 +2

500

twice the sum of 9 and number "n"

2(9+n)

Evaluating Expressions

100

the value of 3y if y = 3

What is 9

200

The value of x - 7 if x = 22

What is 15

300

the value if x² + 3 when x =5

What is 28

400

the value of y(x+3)  when y = 5 and x= 6

What is 45

500

the value of 3x² +2x+5 when x = 2

what is 19

Simplifying Expressions

100

Simplified  2x + 3 + 5x

7x +3

200

Simplify 2(y+5)

2y + 10

300

simplify 3(x +2) + 2(x - 3)

What is 5x 

400

3x² + 5x + 3y + 6y

3x² + 5x + 9y

500

Simplify 2(4y² + 2x + 3z) + 2x +4z

8y²+ 6x+ 10z

Random

100

the value of x, 2x = 10

what is 5

200

1/3 Divided by 2/5

What is 5/6