8th Grade Math Standards Review

Which number is an irrational number?

• √9
• √49
• √100
• √120

Tags

CCSS.HSN.RN.B.3

• A
• B
• C
• D

Simplify the exponential expression:

• 10x^-2
• 2x²
• 2x¹²
• 10x¹²

Tags

CCSS.HSA.APR.A.1

Simplify the exponential expression.

• 2x⁶y¹²
• 2x⁵y⁷
• 8x⁶y¹²
• 8x⁵y⁷

Tags

CCSS.8.EE.A.1

What is 10⁰ equivalent to?

• 1
• 10
• 0
• 100

Tags

CCSS.8.EE.A.1

Solve 3^-3

• -27
• -9
• -1/9
• 1/27

Tags

CCSS.8.EE.A.1

Express the following in scientific notation:
.000457

• 457 x 10⁶
• 457 x 10^-6
• 4.57 x10⁴
• 4.57 x 10^-4

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰
• 3 x 10⁴
• 3 x 10^-4
• 3 x 10^-11

Tags

CCSS.8.EE.A.4

How many times bigger is the distance from the Earth to the Sun of 9 x 10⁶ miles than the largest distance from the Earth to the Moon of 3 x 10⁵ miles?

• 3 times bigger

• 3 x 10¹ times bigger

• 3 x 10¹¹ times bigger

• 2.7 x 10¹² times bigger

Tags

CCSS.8.EE.A.4

Solve:
3(x - 2) = 18

• 6.7
• 4
• 8
• -4

Tags

CCSS.7.EE.B.4A