Expressions and Equations

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign
• Expressions do not have an equal sign and equations do have an equal sign
• There is not a difference
• Expressions do not have variables and equations have variables

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

What do you call each part of an expression that is separated by a + or a -?

• coefficient
• constant
• variable
• term

Tags

CCSS.6.EE.A.2B

Define variable

• a letter in the alphabet

• a letter or symbol standing for an unknown value

• a letter to grandma

• a letter to Santa

Tags

CCSS.6.EE.A.2B

Which equation has 5 terms?

• 6x + 8 = 2x
• 6 + 4.7 - 9y = 3y + 1
• 125x = 14
• 2x + 3 = 7 + x

Define constant.

• the number multiplied by a variable

• to replace a value for a variable

• a number standing alone

• to find the value of an expression

Tags

CCSS.6.EE.A.2B

Select the constant in 8x - 2.

• 8

• 8x

• 2

• -2

Tags

CCSS.6.EE.A.2B

What is the simplified form of this expression
3x+4+5x+3

• 15x
• 8x+7
• 7x+8

Tags

CCSS.7.EE.A.1

Add these expressions
(3x+15) + (4x+13)

• 7x+ 28
• 35x
• x+2

Tags

CCSS.HSA.APR.A.1

6z + 3 -4z = 9

• z = 3
• z = 60
• z = 30
• z = 1

Tags

CCSS.8.EE.C.7B

Maria has 25 dollars.  She has to buy a gallon of milk which costs $3.50.  She wants to spend the rest of her money on cereal.  If each box of cereal costs $4.50, how many can she purchase?

• 4 boxes
• 5 boxes
• 6 boxes
• 7 boxes

Tags

CCSS.7.EE.B.4A