Understand Percent
Fractions, Decimals, and Percentages
Estimate the Percent of a Number
Find and Compare Percentages
Find the Whole Given the Part and Percent
100
What is 25% of 100?
25
100
Convert 0.25 into a percent.
25%
100
What is an estimation?
An approximate value that is not exactly the answer but gets as close as possible.
100
Which is larger:
20% of 50
or
30% of 40
30% of 40
100
If 50% of a number is 25, what is the number?
50
200
Six out of every ten students at London Elementary School prefer science over social studies. What percent of students prefer science?
60%
200
Write 65% as a decimal.
0.65
200
Estimate 50% of 48.
50% does not need an estimation.
48 can be rounded to 50.
50% of 50 is 25.
200
Is 0.45 greater or less than 0.5?
0.45 is less than 0.5 because 0.45 is equal to 45% and 0.5 is equal to 50% and 45 is less than 50.
200
A number is 75% of 120. What is the number?
90
300
What percent is represented by this tape diagram?
160%
300
Which is greater: 0.8 or 75%? How do you know?
0.8 is greater because as a percentage it can be written as 80%. 80 is greater than 75.
300
Estimate 30% of 95.
30% does not need to be rounded.
95 can be rounded up to 100.
30% of 100 is 30
300
A basketball player made 75% of their free throws. Another player made 4/5 of their free throws. Who made the higher percentage of free throws?
The second player because 4/5 is equal to 80% which is greater than 75%.
300
If 20% of a group of students is 16, how many students are there in total?
80
400
What percent is represented below?
252%
400
Order the following values from least to greatest:
0.45, 50%, 0.2, 0.02, 33%
0.02, 0.2, 33%, 0.45, 50%
400
A jar contains 176 jelly beans. 20% of them are red. Using estimation, about how many jelly beans are red.
20% does not need to be rounded.
176 can be rounded to 180.
20% of 180 is 36.
400
Out of the 640 tickets sold for an event, 15% cost more than $100. How many tickets for the event cost more than $100?
15% of 640 = 96 tickets
400
15% of a tree’s height is 9 feet. What is the height of the tree?
60 feet
500
Georgia says she can make 11 out of 20 blankets for a craft show. She has already made 3 blankets. What percent of the 20 blankets does she still have to make?
40%
500
Write 0.625 as a percent and a fraction.
62.5%,
625/1000
500
A restaurant bill is $78. Estimate a 22% tip.
$78 can be rounded to $80.
22% can be rounded to 20%.
20% of $80 = 16
500
Find 35% of 120 and 25% of 140. Which is greater?
35% of 120 = 42
25% of 140 = 35
35% of 120 is greater because 42>35
500
Rosa buys art supplies that are 20% off the original price. She saves $15. What was the original cost of the supplies?
Original Cost = $75