1. Do Now 4/1/11 Take out HW from last night. Text p. 342, #14-60 evens
Copy HW in your planner.
Text p. 348, #8-30 evens
Quiz sections Tuesday
In your journal, write each of the following as a decimal, fraction, and percent.
“Fifty-six hundredths”
“Twenty-four thousandths ”
“Two and fifteen hundredths”

2. Homework Text p. 342, #14-60 evens
14) 10%
16) 546%
18) 0.205%
20) 0.19
22) 1.042
24)
26) 12.5%
28) 11.1%
30) 225%
32) 120%
34) 0.003
36) 18
38) 16.38
40) 180
42) 1.04
44) 42 tickets
46) about $3.15 million
48) 9.25, 27.75
50) 4%, 2/5, 42%, 0.45, 0.5
52) 2.5
54) 40
56) 0.16
58) 0.5
60) a). 100 students
b). 105 more students
c) %

3. Objective
SWBAT use equations to solve percent problems

4. Percent- means ‘per one hundred’ or divided by 100. How many cents
are there in a dollar?

5. Section 7.2 “Percents and Proportions”
Remember this?
Section 7.2 “Percents and Proportions”
You can represent “a is p percent of b” using the proportion
In this equation, b is the whole number and a is the number that is compared to the base will equal the percent.

6. Try It Out… What percent of 25 is 17? 17 is 68% of 25
Write a proportion where 25 is the
base and 17 is a part of the base.
Percent proportion
Substitute and
then cross multiply
17 is 68% of 25

7. Section 7.4 “The Percent Equation”
You can represent “a is p percent of b” using the equation
part is
percent of
whole
where a is a part of the base b and p%, is the percent.

8. Try It Out… What number is 11% of 88? 9.68 is 11% of 88
Use an equation where 11% is the
percent and 88 is the base.
Percent equation
Substitute and
then solve the equation
9.68 is 11% of 88

9. Try It Out… 30 is 12.5% of what number? 30 is 12.5% of 240
Use an equation where 12.5% is the
percent and 30 is a part of the base.
Percent equation
Substitute and
then solve the equation
30 is 12.5% of 240

10. Try It Out… What percent of 90 is 72? 72 is 80% of 90
Write a proportion where 90 is the
base and 72 is a part of the base.
Percent equation
Substitute and
then solve the equation
72 is 80% of 90

11. Methods for Solving Percent Problems…
Types of Percent Problems
(1) Find a percent
What percent of 136 is 51?
(2) Find a part of a base
What number is 15% of 88?
(3) Find a base
20 is 12.5% of what number?
Proportion
Equation or

12. Word Problem Your friend spent $12.50
Your friend paid $9 for a movie ticket. This amount was 72% of the total amount your friend spent at the theater. How much did your friend spend?
Your friend spent $12.50

13. NJASK7 Prep

14. NJASK7 Prep
Each figure in the pattern below is made of hexagons that measure 1 centimeter on each side.
If the pattern of adding one hexagon to each figure is continued, what will be the perimeter of the 25th figure in the pattern?
Show how you found your answer.

15. NJASK7 Prep
102
Start with 6 and add 4 a total of 24 times: 6 + 4 (24) = 102
OR 25 (4) + 2 = 102 
OR 6(25) - 2(24) = 102
OR (21) = 102
OR 4(23) + 2(5) = 102

16. With your 4:00 partner, complete Punchline worksheet #95.
Clock Partners
With your 4:00 partner, complete Punchline worksheet #95.

17. NJASK7 Prep
Homework
Text p. 348, #8-30 evens