Basic Math Expressions

How many terms are in the expression
3x + 2y + z

• 5

• 2

• 4

• 3

Identify the variables in the expression
3x +  9

• x

• y

• 9

• 3x

How many terms are in the expression
3a + 2b + c + 100

• 3

• 4

• 5

• 6

A number with no variable attached is called a  _____

• coefficient

• constant

• variable

• term

The number before a variable is the _____.

• term

• constant

• coefficient

• variable

Find the coefficient in the algebraic expression.

• x

• 4

• 5

• 9

List the terms in this expression.
7x-6+8

• 7x & 8

• 7

• 7, 6, 8

• 7x, 6 & 8

A letter that represents a number is called a _____.

• variable

• coefficient

• constant

• term

Focus: Adding Integers

• 51

• -51

• 29

• -29

Focus: Substitution and adding integers

• 2

• -2

• 8

• -8