Percentages

Did you understand the topic?

What is the decimal of 3/10?

• 3.10
• 310
• 0.30
• -6.5

Which is larger, 2/5 or 52%?

• 52%
• 2/5
• They are equal
• Neither

How do you change .45 to a percent?

• Move the decimal point 3 places to the right
• Move the decimal point 2 places to the left
• Move the decimal point 2 places to the right
• Move the decimal point 3 places to the left

What is 18/100 in decimal form?

• 1,800
• 0.18
• 0.018
• 1.80

What decimal shows 8 thousandths?

• 8,000
• 1/800
• 8/1000
• .008

Which describes the shaded portion of the figure?

• 1/2 = 50%
• 1/6 = 0.166....
• 1/5 = 25%
• 1/5 = 20%

If Kate eats 1/2 and Sue eats 1/4 of a bar of chocolate, what percentage has been eaten?

• 50%
• 25%
• 75%

write given decimal number as a fraction in its simplest form.

0.5

• $\frac{5}{10}$
  

• $\frac{1}{2}$
  

• $\frac{1}{10}$
  

• $\frac{1}{4}$
  

The water jug shown in the image on the right, has evenly spaced marks on the side. It appears to be:

• About 45% full

• About 42% empty

• About 50% empty

• About 36% full