Unit 1 Review

Is 8.27 rational or irrational?

• Rational
• Irrational
• Both
• None of the above

Zero is a ___________.

• whole number
• natural number
• whole number, integer, and rational
• irrational

A non-terminating decimal is which type of number?

• Rational 
• Irrational

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Given the following radical, decide if it is rational or irrational:
√121

• Rational
• Irrational

Tags

CCSS.8.NS.A.1

-5 ___ -20

• <

• >

• =

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

The √40 is between which two integers?

• 7 & 8
• 6 & 7
• 5 & 6
• 4 & 5

Tags

CCSS.8.NS.A.2

Which of the following is NOT true of scientific notation?

• The number in front must be between 1 and 9.9
• The exponent tells you how many times the decimal was moved
• It shortens big numbers
• It doesn't always contain x10

Tags

CCSS.8.EE.A.3

What is 9.2 x 10⁴ in standard notation?

• 9,200
• 92,000
• 920,000
• 920

Tags

CCSS.8.EE.A.3

What does a negative exponent mean in scientific notation? (example:  1.19 x 10^-3)

• It means the number is very large
• It means the number is very small

Tags

CCSS.8.EE.A.3

Which of the following represent numbers written in scientific notation? Select 2.

• 0.125 X 10⁵

• 1.25 X 10⁵

• 125 X 10^-5

• 2.5 X 10^-5

Tags

CCSS.8.EE.A.3