Number Properties

Which one of the following illustrates the Commutative Law of Addition?

• 5 + 7 = 7 + 5

• 5 + 7 = 4 + 8

• 5 + 7 = 3 + 9

• 5 + 7 = 10 + 2

3 x ____ = 9 x 3

• 7

• 9

• 27

• 11

What is the missing number?

8 + ____ = 2 + 8

• 5

• 10

• 4

• 2

9 ^_x 2 = 2 ^_x 9

• Commutative Property of Multiplication
• Associative Property of Multiplication
• Multiplicative Inverse Property
• Distributive Property

Which number sentence is true?

• 6 x 1 = 1 x 6
• 4 x 1 = 0 x 4
• 6 x 1 = 0
• 4 x 0 = 4

What two operations use the commutative property?

• addition and subtraction
• addition and multiplication
• addition and division

Determine which choice best shows the commutative property of multiplication.

• 1x1=1
• (1x7)+(1x6)=
• 1x7=7x1
• (1x7)x6=1x(7x6)

Determine which choice best shows the commutative property of multiplication.

• 3x1=1x3
• 3x1x6=(3x1)x6
• 3x(1+6)=(3x1)+(3x6)
• 1x3=3

Determine which choice best shows the commutative property of multiplication.

• 10x9=9x10
• 10x1=10
• 10x9x6=9x6x10
• (10x9)x6=10x(9x6)

Determine which choice best shows the commutative property of multiplication.

• 1x3=3
• 3x3=9
• 3x10=10x3
• 3x0=0