Unit 6 Review

Which expression below does not represent 125?

• 5³

• 5(25)

• 3(5)

• 5 · 5 · 5

Tags

CCSS.6.EE.A.1

Simplify using the distributive property: 4(3 + x)

• 43 + x

• 12 + x

• 12 + 4x

• 16x

Tags

CCSS.6.EE.A.3

Determine the value of the expression:

• 12.5

• 1

• 8

• 15

Tags

CCSS.7.NS.A.3

Evaluate if x=7 and y=3.

• 3

• 10

• 5.2

• 7

Tags

CCSS.6.EE.A.2C

What mathematical property does this represent?

12 +(8 + 5) = (12 + 8)+ 5

• Associative property of addition

• Associative property of multiplication

• Commutative property of addition

• Distributive property

Tags

CCSS.1.OA.B.3

What mathematical property does this represent?

16 • 5 • 2 = 2 • 5 • 16

• Commutative property of addition

• Distributive property

• Zero product property

• Commutative property of multiplication

Tags

CCSS.6.EE.A.3

What mathematical property does this represent?

y • 0 = 0

• Associative property of multiplication

• Distributive property

• Zero product property (Identity Property of multiplication)

• Commutative property of multiplication

Tags

CCSS.3.OA.B.5

What mathematical property does this represent?

6(3 + 8) = (6 • 3) + (6 • 8)

• Associative property of addition

• Distributive property

• Commutative property of addition

• Zero product property

Tags

CCSS.3.OA.B.5

Janet thinks that 3x + 4y + 2 is equal to 7xy +2. Is she correct?

• No, you cannot combine unlike terms.

• Yes, she combined like terms correctly.

Tags

CCSS.7.EE.A.1

Phil thinks that 3x + 5x is equal to 8x. Is he correct?

• No, you cannot combine unlike terms.

• Yes, he combined like terms correctly.

Tags

CCSS.7.EE.A.1