eQuizShow

Fractions, Decimals and Percents

fraction review

Question: Write eighty-five hundredths in standard notation
Answer: 0.85 or .85

Question: Write the number that is halfway between 0.12 and 0.13
Answer: .125

Question: Express 3/24 in simplest form.
Answer: 1/8

Question: If 12 counters are 3/4 of the set, how many counters are in the whole set?
Answer: 16

Question: Carlos and Rick paid $1.25 for a toy. If Rick paid 3/5 of the cost, how much did Carlos pay?
Answer: Carlos paid $0.50

comparing and ordering

Question: Which is greater, 4/5 or 5/6?
Answer: 5/6

Question: Order from least to greatest: 2/5, 2/10/, 3/2
Answer:

Question: Which fraction is greater? 2/6, 5/16
Answer: 5/16

Question: Which is greater: 1/6 of 2 or 2/6 of 1
Answer: They are equal

Question: Which is greater: 3/7 or 12/27
Answer: 12/27

converting fractions to decimals

Question: Express 1/5 as a decimal
Answer: 0.2 or 0.20

Question: Express 12/20 as a percentage.
Answer: 60%

Question: Express 1/6 as a percentage (you may round to the nearest percentage)
Answer: 16.6% or 17%

Question: Explain how to find the equivalent percent for 3/4 using a calculator. Use math vocabulary in your answer.
Answer: Divide the numerator by the denominator.

Question: Explain how to find the equivalent percent for 3/4 WITHOUT using a calculator. (Use math vocabulary)
Answer: Multiply both the numerator and denominator by 25 to get the equivalent fraction, 75/100.

graphs

Question: Which graph is better for comparing percentages (line, circle, bar)?
Answer: circle graph (pie graph)

Question: When is a bar graph better than a circle graph?
Answer: When you want the exact number of items for a given category

Question: When would you use a line graph?
Answer: When you want to measure something over time.

Question: Looking at the graph on the whiteboard, estimate the percentage of section C (within 2%).
Answer: 67%

Question: Looking at the graph on the whiteboard, what is missing?
Answer: A title.

open response

Question: What is 22% of 100?
Answer: 22

Question: What is 22% of 50
Answer: 11

Question: What is 1/4 of 1/2?
Answer: 1/8

Question: If John ate 1/2 of the cookies, and I ate 1/2 of what was left, and now there are 6 cookies, how many cookies were there in the beginning?
Answer: 24

Question: What is 1.5 of 1/4?
Answer: 3/8