2.1 - 2.3 Quiz (Properties)

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Use the Commutative Property of Addition to choose the expression that is equivalent to 21 + 39.

• 12 + 12 + 12 + 12 + 12
• 31 + 29
• 30 + 30
• 39 + 21

(2 + 7) + 19 = 2 + (7 +19) is an example of which property?

• Identity Property of Addition
• Commutative Property of Addidtion
• Associative Property of Addition
• Zero Property of Multiplication
• Identity Property of Multiplication

(2 • 8) • 7 = (8 • 2) • 7 is an example of which property?

• Identity Property of Multiplication
• Zero Property of Multiplication
• Associative Property of Multiplication
• Commutative Property of Multiplication

Which expression is equivalent to 16 (14 • 18) using the Associative Property of Multiplication.

• 14(16 • 18)
• (16 • 14)•18
• 18(16 •14)
• (14 • 16) • 18

At a factory, each robot can assemble 36 items per hour. The expression 36•r•24 represents the number of items that r robots assemble in one day. How many items do 19 robots produce in one day?

• 16,416
• 1,320
• 13,860
• 1,140

Which statement below represents the Identity Property of Multiplication?

• 5•0 = 5
• 5 + 0 = 5
• 5•0 = 0
• 5•1 = 5

Which statement below represents the Identity Property of Addition?

• 3•0 = 3
• 3 + 0 = 3
• 3•0 = 0
• 3•1 = 3

Which statement below represents the Zero Property of Multiplication?

• a•1 = a
• a + 0 = a
• a•0 = 0
• a•0 = a

(x + y) + 0 = x + y is an example of which property?

• Identity Property of Addition
• Identity Property of Multiplication
• Zero Property of Multiplication
• Associative Property of Addition
• Commutative Property of Addition