Lesson 41
Presentation
•
Mathematics
•
6th Grade
•
Hard
Brandon Gange
Used 1+ times
FREE Resource
8 Slides • 0 Questions
1
Finding a percent of a number
To describe part of a group we often use a fraction of a percent.
Three-fourths of the students voted for Rowan
Tim answered 80% of the questions correctly
Often used to describe financial situations.
30% of the regular price
the Sales tax rate is 7%
The bank pays 3% interest
2
How to find a percent of a number
a percent can be changed to decimal and back
25% = 25/100
5% = 5/100
75% = 75/100
write as a decimal and fraction(reduced)
40 % =
70% =
10% =
25% =
3
What number is 75% of 20.
How to solve:
Can change percent to a fraction:
75% = 75/100 = 3/4
solve
3/4 of 20
Can change percent to decimal:
75% = .75
solve
.75 of 20
4
Tim answered 80% of the 25 questions. How many questions did he get correct?
5
The sales tax rate was 6%. Find the tax on a $12.00 purchase
6
10% of 350
7
How much money is 8% of $15.00?
8
Erik sold 80% of her 30 baseball cards. How many baseball cards did he sell?
Finding a percent of a number
To describe part of a group we often use a fraction of a percent.
Three-fourths of the students voted for Rowan
Tim answered 80% of the questions correctly
Often used to describe financial situations.
30% of the regular price
the Sales tax rate is 7%
The bank pays 3% interest
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