1. Do Now 2/10/12 Take out HW from last night. Take out HW from last night. –Text p. 229, #1-20 all, 22-34 evens Copy HW in your planner. Copy HW in your planner. –Text p. 234, #1-10 all, 18-33 all, 36-40 all, 49 In your journal, answer the following question. The students at Westview Middle School are collecting cans of food for the local food bank. Their goal is to collect 2,000 cans in one month. After 10 days, they have collected 800 cans of food. What percent of their goal have they reached? In your journal, answer the following question. The students at Westview Middle School are collecting cans of food for the local food bank. Their goal is to collect 2,000 cans in one month. After 10 days, they have collected 800 cans of food. What percent of their goal have they reached?

2. Homework Text p. 229, #1-20 all, 22-34 evens 1) proportion 1) proportion 2) decimal 2) decimal 3) ratio 3) ratio 4) simplest form 4) simplest form 5) 0.8 5) 0.8 6) 0.53 6) 0.53 7) 0.739 7) 0.739 8) 0.07 8) 0.07 9) 0.4 9) 0.4 10) 0.625 10) 0.625 11) 0.583 11) 0.583 12) 0.65 12) 0.65 13) 1/20 13) 1/20 14) 23/25 14) 23/25 15) 13/1000 15) 13/1000 16) 4/5 16) 4/5 17) 3/500 17) 3/500 18) 61/200 18) 61/200 19) 7/10,000 19) 7/10,000 20) 26/25 or 1 1/25 20) 26/25 or 1 1/25 22) 95 22) 95 24) 1/8 24) 1/8 26) 1/4 26) 1/4 28) 15 28) 15 30) 7 30) 7 32) 4 32) 4 34) 16 34) 16

3. The students at Westview Middle School are collecting cans of food for the local food bank. Their goal is to collect 2,000 cans in one month. After 10 days, they have 800 cans of food. What percent of their goal have they reached? 0200400600 800 1,000 1,2001,4001,600 1,800 2,000 0 800 = 2 800 = 2 2,000 5 3535 4545 5555 1515 0 0.2 0.4 0.60.8 1.0 0 20% 40% 60% 80% 100% The model shows that 800 out of 2,000 can be written as,, 0.4, or 40%. The students have reached 40% of their goal. 800 2000 2525 As a fraction As a decimal As a percent

4. Objective SWBAT write decimals and fractions as percents SWBAT write decimals and fractions as percents

5. Percent- means ‘per one hundred’ or divided by 100. How many cents are there in a dollar? Section 6.1, “Fractions, Decimals, and Percents”

6. Always move the decimal point TWO places to the RIGHT and add a % sign! Always move the decimal point TWO places to the RIGHT and add a % sign! % 0.71 71 Writing Decimals as Percents When you move the decimal point two places to the RIGHT, you are really multiplying by 100. %.0

7. 0.1212% 0.245 24.5% 24.5% Writing Decimals as Percents 2200% 0.0045 0.45% 0.45%

8. Percent a fraction/ratio whose denominator is 15 15% 100 O O 15 15100 15 O O 1 = Writing Fractions as Percents

9. 12% x 4 x 4 3 25 25 12 12100 80% x 20 x 20 4 5 80 80100 Write the fraction as an equivalent fraction with a denominator of 100. Method #1

10. Writing Fractions as Percents This means 7 divided by 8. A fraction is the quotient of two integers of two integers Remember 78 0 64 6 87 Finished.00 56 4 0 5 40 0.875 = 87.5% Use division to write the fraction as a decimal. Method #2

11. Writing Fractions as Percents Rewrite the fraction as a decimal. This means 5 divided by 12. A fraction is the quotient of two integers of two integers Remember 512 0 48 2 41 Repeating decimal.00 12 8 0 6 72 0.416 = 41.6% 8

12. Ordering Rational Numbers To compare and order rational numbers: To compare and order rational numbers: (1)Write all of the numbers as decimals with the same number of decimal places. with the same number of decimal places. (2) Graph the numbers on a number line to see the correct order.

13. 00.51 Plot the numbers on a number line. Then order them from least to greatest. 1.5 0.40.20.670.625 1.45 In order them from least to greatest. Using a Number Line

14. Order the Rational Numbers from Least to Greatest,0.77, 71%, 0.7 0.7 0.77 0.71 0.7 Line up numbers by the decimal point 0.700 0.71 0.777 Write all decimals in the same place value Place numbers in order from least to greatest 0.7 0.710 0.770 0.7 710 Write all numbers as decimals. 0.77 710,71%, 0.77, 0.7

15. Homework –Text p. 234, #1-10 all, 18-33 all, 36-40 all, 49 NJASK7 Prep