Real Numbers, Expressions, and Properties

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325

Tags

CCSS.8.NS.A.1

Which number is an integer?

• -1/2
• 0.2
• 3/4
• -2

Is -5/8 a rational number?

• yes
• no

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Which property was used to convert (2x+3)+7 into 2x+(3+7)?

• Associative of Addition
• Commutative of Addition
• Distributive
• Additive Inverse

Tags

CCSS.6.EE.A.3

a x (b + c) = a x b + a x c, is ___________________ property

• Distributive

• Closure

• Commutative

• Associative

Tags

CCSS.3.OA.B.5

What would be my first step? 3 + 4 x 6 - 4 =

• addition
• multiplication
• subtraction
• exponents

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Simplify the following:
-2 ⋅ (3 + 8 ÷ 4)²

• -16
• 1.375
• 4
• -50

Tags

CCSS.7.NS.A.3

What operation comes first and WHY?
(8x7-6)÷30

• Multiplication, because it is inside the parenthesis
• Multiplication, because you read left to right
• Division, because it comes first alphabetically
• Subtraction, because it's easy and gives the answer 1

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What step would I do second ?
(4-2) x 9 + 7 =

• multiplication
• subtraction
• addition
• dividing

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

• -27

• 5

• -5

• 27

Tags

CCSS.7.NS.A.3