8th Grade Math TCAP Review 2022

The number 0.141414141414... is

• Rational

• Irrational

• Whole

• Integer

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Kelly is learning about rational and irrational numbers. What conclusion can she draw about the number 0.0566666...?

• Rational because it terminates
• Rational because it repeats
• Irrational because it doesn't terminate
• Irrational because it can't be written as a fraction

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Which decimal is closest to √55

• 7.4
• 7.1
• 7.9
• 7.6

Tags

CCSS.8.NS.A.2

Select the true statement about √(108)

• 10.3 < √(108) < 10.4
• 10.8 < √(108) <10.9
• 9 < √(108) < 10
• √(108) = 12

Tags

CCSS.8.NS.A.2

Simplify the expression: 5⁶ times 5²

• 5¹²
• 5⁸
• 10⁸
• 10¹²

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

Simplify the expression:12^-6 divided by 12^-8

• 12^-14
• 12²
• 12¹⁴
• 12⁴⁸

Tags

CCSS.8.EE.A.1

 Solve the equation x²=49. 

• 7
• -7
• ±7
• None of the above

Tags

CCSS.8.EE.A.2

On a recent homework assignment, Jason needed to solve this equation completely, m² = 36. He incorrectly wrote “m=6.” What was Jason’s error? 

• He didn't make an error.
• He should have divided 36 by 2 to get m=18.
• He needed to also put -6 as the answer.

Tags

CCSS.8.EE.A.2

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-7
• 5.64 x 10⁶
• 5.64 x 10⁸
• 56.4 x 10⁷

Tags

CCSS.8.EE.A.3

How do you write
1001
in scientific notation?

• 1.0001 x 10⁴
• 1.01 x 10⁵
• 1.001 x 10³
• 10.1 x 10³

Tags

CCSS.8.EE.A.3