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 7.1-7.4 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”

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 c). 11.5%

Objective SWBAT use equations to solve percent problems

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

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.

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

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.

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

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

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

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

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

NJASK7 Prep

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.

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 18 + 4(21) = 102 OR 4(23) + 2(5) = 102

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

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