8th Grade Math Unit 1 Test Review The Real Number System

Classify this number:  ⅚

• real
• real      rational
• real      rational        integer
• real   rational   integer   whole

Tags

CCSS.8.NS.A.1

Classify this number: √25

• real
• real      rational
• real      rational        integer
• real   rational   integer   whole

Tags

CCSS.8.NS.A.1

CCSS.8.EE.A.2

A rational number:

• can be turned into a fraction.
• is only positive.
• can't have a decimal.
• is not a real number.

Tags

CCSS.5.NBT.A.2

2.389746....

• Rational
• Irrational

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Please see the picture. 

• F
• G
• H
• J

Tags

CCSS.8.NS.A.1

 How is 1.2 x 10⁻⁴ written is standard decimal notation? 

• 12,000
• 1,200
• 0.012
• 0.00012

Tags

CCSS.8.EE.A.3

 Which of the following represents 3,280 written in scientific notation?

• 3.28 x 10⁻³
• 32.8 x 10²
• 3.28 x 10³
• 0.328 x 10⁴

Tags

CCSS.8.EE.A.3

 A millimeter is approximately 0.00109 yards. How is this number expressed in scientific notation? 

• 1.09 x 10³
• 1.09 x 10⁻³
• 1.09 x 10⁻⁴
• 1.09 x 10⁻²

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