Equations VS Expressions

Which of the following is an algebraic expression?

• 3 + 17 - k

• 3x - 45 = b

• 25 + 36

• 19 + 14 - 20

Tags

CCSS.6.EE.A.2B

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

What operation is this:

2x

• addition

• subtraction

• multiplication

• division

Tags

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

What does an algebraic equation have that a numerical equation doesn't have?

• variables

• equal sign

• terms

• fractions

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Which of the following is not an equation?

• 2 + 2 = fish

• 2x + 4 = 25

• 3(4 + 5)

• 10 - 2x = 4

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

Which of the following is not a numerical expression/equation?

• 5 - 4 = 1

• 2x + 3

• 17(2-1)

• 21 + 7 = 28

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

A variable is...

• the number in front of a letter

• a value that does not change

• numbers and letters separated by operations

• an unknown number represented by a letter

Tags

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

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

6(6) = 36 is ______

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

Tags

CCSS.6.EE.A.4