8th Grade Math Review (Percents and Graphs)

Convert 84% to a decimal

• 8.4

• 0.84

• 84

Convert 10% into a decimal

• 100

• 1

• 0.10

34% can be rewritten as

• $34$

• $\frac{34}{10}$

• $\frac{34}{100}$

Write 50% as a fraction

• $\frac{50}{1}$

• $\frac{50}{100}\ =\ \frac{1}{2}$

• $\frac{1}{5}$

True or False: 33% = 0.33 because you can move the decimal point two spaces to the left

• True

• False

What is 25% of 459?

• 573.75

• 400.75

• 114.75

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

What is the correlation?

• Negative correlation
• No correlation
• Positive correlation
• All of the above

Tags

CCSS.6.EE.C.9

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.4

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A
• B
• C
• D

Tags

CCSS.HSS.ID.B.6

What represents the x axis?

• ABC Company
• Hours Worked
• Amount Earned in Dollars
• Hours in Car

Tags

CCSS.6.EE.C.9

CCSS.6.SP.B.4