Representing Expressions

What is an algebraic expression?

• a letter or a symbol used to represent an unknown value

• an expression that contains one or more variables and may also contain an operation symbol such as + or -

• a specific number whose values does not change

Tags

CCSS.6.EE.A.2B

A symbol for a number we don't know yet. This is usually a letter.

• coefficient
• sum
• variable
• term

Tags

CCSS.6.EE.A.2B

What is a variable always paired with?

• the coefficient 
• exponents 
• constants
• the expression

Tags

CCSS.6.EE.A.2B

What is the coefficient in the expression 9x + 4?

• 4

• 9

• x

• +

Tags

CCSS.6.EE.A.2B

Identify a constant in the expression
3x + 2y + 7

• 3
• 2y
• 7
• 2

Tags

CCSS.6.EE.A.2B

What is the constant in the expression 4x² + 3x + 5?

• 4

• 3

• x

• 5

Tags

CCSS.6.EE.A.2B

How is the number 9 best described in the expression
9m + 3n + 4

• coefficient
• variable
• constant
• term

Tags

CCSS.6.EE.A.2B

Identify the coefficient(s) in the expression.
2p+ y + 7

• 2
• 2 & 1
• 7
• 0

Tags

CCSS.6.EE.A.2B

Simplify the expression: y + y + y + y + y

• 5y

• y⁵

• 5 + y

• 4y

Tags

CCSS.7.EE.A.1

Simplify the expression: 4x - 2x + 3y + y + x

• 7x + 4y

• 3x + 2y

• 3x + 4y

• 7x

Tags

CCSS.7.EE.A.1