Expressions

Translations

100

The sum of a and 4.

a+4

200

The product of 5 and a number squared

5x²

300

The product of half a number and 5.

n/2(5)

400

The quotient of a number doubled and 6.

n(2)/6

500

K less than the product of 3 and g.

3g - k

Substitution

100

evaluate if x=5 

(x+1)8

48

200

evaluate if x=8 

9x+3

75

300

evaluate if x=2.5 

4x(4)-9

31

400

evaluate if x=2 and y=3 

2x²+2y - x

12

500

What is the value of the expression 4b³ + 11 when b = 2?

43

Parts of Expressions

100

Name the variables in the expression

12b + 7a - 3

12b; 7a; 3

200

:What are the terms in the expression:

3(b+7) - 5a

3(b+7) and 5a

300

What is the constant in the expression:

4e + 7 - 15a

7

400

What are the coefficients in the expression:

6x + 7Y + a

6; 7; 1

500

Algebraic expressions must contain at least one of these:

Variables

Vocab

100

A number that stands alone

Constant

200

An unknown value.

Variable

300

A combination of numbers and variables separated by operation signs. Ex: 2x+3

Expression or algebraic expression

400

Two expressions that have the same value.

Equivalent Expressions

500

A number that multiplies a variable.

Coefficient

Combine like terms

100

6b+9b

15b

200

2a + 7 + 3a

5a + 7

300

12x + 4y - 5x + 3y

7x + 7y

400

14p + 12k + 8 - 3p - 9k

11p + 3k +8

500

17y - 3x + 5a + 6y - 2a + 7 + 4x

23y - 7x + 3a +7