The document provides strategies and examples for solving various percent word problems. It explains how to set up and solve problems involving finding a percent of a number, finding the whole given a percent and part, and finding the percent given the part and whole. Examples include finding percentages of numbers, determining percentages of parts to wholes, and applying percentages to real-world scenarios like predicting voter turnout based on registration numbers.

1. • 1. Review: The Percent Statement
• 2. Discuss HW (Exercise 8)
• 3. Percent Word Problems (Mixed Bag)
• 4. The Percent Circle (Strategy)

2. • 1. 20 is what percent of 45? Find the percent.
• 2. 75% of 80 is what number? Find the part.
• 3. 25 is 80% of what number? Find the whole.

3. •P stands for the Part
•% stands for the Percent
P •W stands for the WHOLE
•The line
means by.
% x W •The X means multiplied
by

4. To Use the Percent
P Circle:
1. Cover the symbol of
the number you are
looking for.
% x W 2. Do the math shown
by the uncovered
symbols.

5. What is 50% of 8?
P
% x W

6. 4 is 50% of what
number?
P
% x W

7. 4 is what percent of
8?
P
% x W

8. • To find a percent of a • What is 62 ½ % of 56?
number:
• Decimal
• Step 1: Change the • 62.5 x 56 = 3500
percent to a decimal or
a fraction.
• Move decimal two
places to the left.
• Step 2: Multiply
• 62 ½ % of 56 is 35.

9. • To find a percent of a • What is 62 ½ % of 56?
number: • Fraction
• Step 1: Change the
percent to a decimal or
a fraction.
• Step 2: Multiply

10. • To find the part: • 27 is what percent of
• 1. First make a fraction. 45?
Put the part over the
whole and reduce.
• 2. Change the fraction
to a percent.

11. • The Melino family was • Write the fraction as
on vacation for 12 days.
It rained 3 of those
days. On what percent
of their vacation did it • Change the fraction to
rain? percent.
•

12. • 1. Change the percent • 20% of what number is
to either a fraction or a 9?
decimal.
• Change to a fraction
• 2. Divide the number
by that fraction or
decimal.

13. • A state official predicts that 70% of the registered voters in
Montana will vote on election day. If there are 514,000
registered voters in Montana, how many are predicted to
vote?
Step 1: Understand the
question. “How many
registered voters are
predicted to vote?”
Step 2: What info do
you need? Use the % of
voters predicted to vote
and the number of
registered voters.
Step 3: Choose the
operation. What is 70%
of 514,000?