Algebra Vocabulary

Algebra Vocabulary

By Mark Philbin

Read about Expressions

​Expressions are parts of an equation with terms, variables and an operation. ( No = )

​

5x- 3 is an expression 2x = 6 is an equation

x + 7 is an expression​ 6t = 40 is an equation

9w is an expression​ x-3 = 4 is an equation

​

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Read about Equations

​Equations are statements that 2 expressions are equal, or have the same value. ( = )

5x- 3 = 60 is an equation

20 = x + 7 is an equation

9w = 27 is an equation

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Multiple Choice

Identify what's shown here:

45 - x

• expression

• equation

Multiple Choice

Identify what's shown here:

5y + 4

• expression

• equation

Multiple Choice

Identify what's shown here:

9 = d - 34

• expression

• equation

Multiple Choice

Identify what's shown here:

a + 18

• expression

• equation

Multiple Choice

Identify what's shown here:

a + 18 = 50

• expression

• equation

Multiple Choice

Identify what's shown here:

$$\frac{x}{4}\ +\ 6$$  

• expression

• equation

​​ Read about Coefficients

A ​Coefficient is the number that is multiplied by a variable in a given term.

​ Ex. 1 20 = 4d 4 is the coefficient

Ex. 2 5x + 4 = 24 5 is the coefficient

Ex. 3 ⅘​w = 8 ⅘ is the coefficient

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Multiple Choice

Identify the coefficient:

8t = 56

• 8

• t

• 56

Multiple Choice

Identify the coefficient:

65 = 13x

• x

• 65

• 13

Multiple Choice

Identify the coefficient:

7 + 3y = 31

• 7

• 3

• y

• 31

Multiple Choice

Identify the coefficient:

$$4\ =\ \frac{1}{2}m$$  

• m

• 4

• 1/2

Multiple Choice

Identify the coefficient:

y + 13 > 45 

• y

• 1

• 13

• 45

Read about Terms​

​Terms are the building blocks of expressions and equations. They are separated by +, - and =.

​

6x + 5 = 53 There are 3 terms (6x , 5, 53 )

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5t > 40 There are 2 terms ( 5t and 40 )​

​​

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Multiple Choice

How many terms are there?

d + 12 = -5

• 1

• 2

• 3

Multiple Choice

How many terms are there?

5x = 60

• 1

• 2

• 3

Multiple Choice

How many terms are there?

3x - 34 = 20

• 1

• 2

• 3

Multiple Choice

How many terms are there?

5x - 18

• 1

• 2

• 3

Multiple Choice

How many terms are there?

7x

• 1

• 2

• 3

Read about Variables

​Variables are usually letters, and they represent an unknown number.

​

5y - 8 = 17 y is the variable

c + 3 c is the variable

9 + w w is the variable​

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