Understanding Percent
A percent is a special type of ________
ratio
Divide numerator by denominator and multiply your answer by 100
Give a real life example of a percent over 100
answers will vary
When estimating to find percent I would change 21% to be __________
20% or 1/5
The equation for finding part is
percent (decimal) times whole
Find 1/5 as a percent
20
How do you change a decimal to a fraction
put digits over the last place value then simplify
write 150% as a fraction and decimal
1.50 and 3/2
When estimating to find percent I should make sure that my number works well with my _____________
denominator
What is 26% of 50
13
Find 11/20 as a percent
55%
Write 6/100 as a decimal and a percent
0.06 and 6%
Write .25% as a fraction and decimal
.0025 and 1/400
Estimate 18% of 48
10
What percent of 315 is 126
40%
Jana divided a sheet of paper into 5 equal sections and colored 2 of them red. What percent of the paper did she not color
60%
Write 7/25 as a decimal and a percent
.28 and 28%
The interest rate on a credit card increased by 1/2%. Is this less than, equal to or greater than 0.005?
Equal to
When estimating we should be using ____________ numbers
compatible
On a local sports team 20% of the 50 players are left-handed. How many right-handed players are on the team?
40
Peter babysits his sister on Monday and Friday. He babysits for his neighbor 40% of the days Monday-Friday. He babysits for his sister and his neighbor on different days. On the weekend Peter babysits 50% of the days. How many days does Peter babysit each week?
5
Write 0.0024 as a fraction in simplest form
6/2500
Lauren wants to open a savings account. Bank A will increase the interest rate on the savings account by 1/4% after the first year. Bank B offers an interest rate increase of 0.2% after the first year. Which bank has a higher interest rate increase?
Bob says he can estimate 72% of 400 using two different fractions. Is he right? Explain
Yes
Katrina has a bookcase that holds 200 books. She can put 20 books on each shelf. If 20% of the bookcase is empty how many shelves are filled with books
8