Expressions Vs Expressions

What is the most important difference between an expression and an equation?

• they're spelled different

• an equal sign

• only equations have variables

• only expressions have variables

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

Select all the examples of an expression

• 213- 45

• 26b-3+6b=27

• 7(3)+3( b- 3)

• 2x+3

• All of the above

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Select all the examples of an equation

• a+3 = 2(a+9)

• 2.5a+1.7- .5

• 20-6b=30

• 2x+4=6

• All of the above

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

x-7 is  _______

• an expression
• an equation 
• neither an expression nor an equation.

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

12 + 5 = 17 is  ______.

• an expression 
• an equation 
• neither an expression nor an equation

Tags

CCSS.6.EE.B.5

Hector is buying ten more lemons than Nicole.

• Expression

• Equation

• Neither

Tags

CCSS.6.EE.B.6

What is a variable?

• A mathematical expression
• A symbol that represents an unknown
• A letter that means multiplication
• Simplifying

Tags

CCSS.6.EE.A.2B

"Five more than three" is ...

• a variable.
• an equation.
• an expression.
• an inequality.

Tags

CCSS.6.EE.A.2B

5 times a number x gives a number y

• Expression

• Variable

• Equation

• Neither

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Which of the following is not a numerical expression?

• 13 + 7 - 25

• 39/13

• x - 2

• 47 - 5(10) + 23

Tags

CCSS.6.EE.A.2B