1. Do Now 4/15/10  Take out HW from last night. Text p. 342, #14-60 evens Text p. 342, #14-60 evens  Copy HW in your planner. Text p. 348, #8-30 evens Text p. 348, #8-30 evens Quiz sections 7.1-7.4 Monday Quiz sections 7.1-7.4 Monday  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) 0.00051  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 b). 105 more students c). 11.5% c). 11.5%

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” You can represent “a is p percent of b” using the proportion 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. Remember this?

6. Try It Out… What percent of 25 is 17? 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 You can represent “a is p percent of b” using the equation where a is a part of the base b and p%, is the percent. where a is a part of the base b and p%, is the percent. partispercentofwhole

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

11. Methods for Solving Percent Problems… Types of Percent Problems (1) Find a percentWhat percent of 136 is 51? (2) Find a part of a baseWhat number is 15% of 88? (3) Find a base20 is 12.5% of what number? Proportion Equation or

12. Word Problem  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. Clock Partners With your 4:00 partner, complete Punchline worksheet #95.

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