Notes
Name: ______________________________
Using Fractions, Decimals, and Percents to Solve (Lessons 6.3 – 6.4)
I. Finding the Fraction/ Decimal of a Number
When you are finding a fraction or decimal of something, then you need to
Ex) Find 0.4
of 100
______________________________.
Ex)
Find 0.2 of 0.5
Ex) Find 0.25 of 80
Ex) Find 0.6 of 1.8
Examples
Ex) What is 20% of 150?
Ex) What is 40% of 80?
Ex) What is 20% of $2.50?
Ex) What is 3% of $5.75?
When solving word problems, after reading the question, set up an equation that addresses
the question using your terms ‘is, of, and what’
Check for Understanding
Ex) Mr. Stout wants to give his friend 25% of the 80 apples he just picked. How many apples does he
of 18, 27% are between the ages 18 and 40, and 43% are over the age of 40. How many people in
Ex) Mr. Bethman teaches a total of 80 students. Out of the 80 students, 20% like country, 15% like jazz,
and the rest like hip hop. How many of Mr. Wood’s students like hip hop? Show or explain how you
III. Multiple Step Word Problems Involving Fractions, Decimals, & Percents
Ex) The table below shows the number and grade level of students at Pioneer Middle School who
participate in extracurricular activities.
Number of Students
6th
Graders
7th
Graders
8th
Graders
Cheerleading
Volleyball
Cross Country
3
15
10
10
11
22
13
7
6