Unit 1: Real Numbers Practice

1. Which statement is NOT true?

• Every integer is a real number.
• Every counting number is an integer.
• Every integer is a rational number.
• Every decimal number is an irrational number.

Which number is an irrational number?

• √400
• √49
• √40
• √256

Tags

CCSS.8.NS.A.1

 A square has an area of x square units. x is a whole number that is a perfect square. What set of numbers best describes the length of the side of the square?

• Rational Numbers
• Counting Numbers
• Integers
• Irrational Numbers

2. Which does NOT represent a rational number?

• √100
• √144
• √90
• 0.8̅8

Tags

CCSS.8.NS.A.1

Please see the picture. 

• F
• G
• H
• J

Tags

CCSS.8.NS.A.1

Which expression represents a number that is larger than 8,000 but smaller than 80,000? 

• 8.0 x 10⁴
• 8.0 x 10³
• 7.9 x 10⁴
• 7.8 x 10²

Tags

CCSS.8.EE.A.3

Order 3π , √10 , and 3.25 from greatest to least.

• √ 10, 3π, 3.25
• √ 10, 3.25, 3π
• 3π, 3.25, √ 10
•  3.25, √ 10, 3π

Tags

CCSS.8.NS.A.2

Which symbol belongs in the parentheses?  
√8 - 2    (   )    4 - √8

• <
• >
• =

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

The √20 is between which two integers?

• 2 & 3
• 3 & 4
• 4 & 5
• 5 & 6

Tags

CCSS.8.NS.A.2

Point B could represent which of the following numbers?

• √24
• √30
• √35
• √42

Tags

CCSS.8.NS.A.2