Real Numbers and Properties

Identify the property

5+ b = b + 5

• Identity of addtion

• commutative of addition

• associative of addition

• symmetric

Identify the property

-6 + 0 = -6

• identity property of addition

• identity property of multiplication

• inverse property of addition

• multiplication property of zero

Identify the property

(a ⋅ b) ⋅ c = a ⋅ (b ⋅ c)

• commutative property of multiplication

• identity property of multiplication

• inverse property of multiplication

• associative property of multiplication

What is the additive inverse of 2/3?

• -2/3

• 3/2

• 2/3

• -3/2

Tags

CCSS.7.NS.A.1B

Any number you multiply by zero is equal to zero.

• True

• False

Tags

CCSS.3.OA.B.5

True or false: abc = cba

• True

• False, if c = 0.

• False, if a > b.

• False, three variables can't multiply.

Tags

CCSS.3.OA.B.5

 $2\left(3-x\right)=2\cdot3-2\cdot x$  

• Distributive Property of Multiplication

• Commutative Property of Multiplication

• Identity Property of Multiplication

• Associative Property of Addition

What is the multiplicative inverse of 1/4?

• -1/4

• 4/1

• 1/4

• -4/1

Which of the following is irrational?

• Square root of 81
• Square root of 9
• Square root of 144
• Square root of 12

Tags

CCSS.8.NS.A.1

Is 8.27 rational or irrational?

• Rational
• Irrational
• Both
• None of the above

Tags

CCSS.HSN.RN.B.3