Unit 6 Review

Which is an example of an expression?

• 4 + x = 8
• The sum of six and N is eleven
• 5 + x
• 10x = 40

Which is written in expanded form?

• 5 x 5 x 5 x 5
• 5 to the 4th power
• 54
• 625

Which expression is equivalent to 3x3x5

• 15
• 6 x 5
• 50
• 9 x 5

Which property is shown: 5 + 6 = 6 + 5

• Identity
• Inverse
• Commutative
• Associative
• Distributive

Which property is shown: 3 + (4 + 5) = (3 + 4) + 5

• Identity
• Inverse
• Commutative
• Associative
• Distributive

Which property is shown: 4(3 + 5) = 4(3) + 4(5)

• Identity
• Inverse
• Commutative
• Associative
• Distributive

Which property is shown: 3 + (-3) = 0

• Identity
• Inverse
• Commutative
• Associative
• Distributive

Evaluate: (21-4+9)-6+2

• 0
• 22
• 4
• 18

Which is the prime factorization of 70?

• 2 x 35
• 7 x 10
• 2 x 5 x 7
• 1 x 70

Write in standard form: 3 x 3 x 3 x 5

• 9 x 5
• 135
• 45
• 30