1. November 28, 2010 1)Write your homework in your agenda: 2)Take the Pre-Test with the iRespond. DO NOT GO BACK AND FIX ANYTHING.

2. Conversions Being able to use fractions, decimals and percents interchangeably

3. Rational numbers (decimals, fractions, and percents) What am I Learning Today? How will I show that I learned it? To understand and use rational numbers to convert between fractions, decimals, and percents.

4. What exactly is a percent? You can remember that percent means “per hundred.” For example, 8% means “8 per hundred,” or “8 out of 100.” Most states charge sales tax on items you purchase. Sales tax is a percent of the item’s price. A percent is a ratio of a number to 100.

5. FractionsPercentsDecimals 2 5 40%.40

6. FractionsPercentsDecimals 2 5 40%.40

7. Questions Answers - Move the decimal point two places to the right - Attach a percent sign *This is the same as multiplying by 100. How do I change from a decimal to a percent?

8. Decimal to Percent Flip Book Move your decimal 2 places to the right and add a % sign EX: 0.67 =

9. .5 = Change the decimal to a percent. Change the decimal to a percent. 50%.02 = 2 % 1.3 = 130 %

10. FractionsPercentsDecimals 2 5 40%.40

11. Questions Answers - Move the decimal point two places to the left. - Drop the percent sign. *This is the same as dividing by 100. How do I change from a percent to a decimal?

12. Percent to Decimal Flip Book Drop the %, move the decimal 2 places to the left. EX: 65% =

13. 19 % = Change the percent to a decimal. Change the percent to a decimal..19 4 % =.04 17 % =.17

14. FractionsPercentsDecimals 2 5 40%.40

15. Questions Answers - Write it as you would read it - The number itself is the numerator - The denominator is the place value - SIMPLIFY How do I change from a decimal to a fraction?

16. Decimals to Fractions Flip Book Write the number as the numerator over its place value & simplify EX: 0.45 =

17. .43 = Change the decimal to a fraction: Change the decimal to a fraction: 43 100.01 = 1 100.25 = = 25 100 1 4

18. FractionsPercentsDecimals 2 5 40%.40

19. Questions Answers - Divide the denominator into the numerator. - Try to divide out to the thousandths place to see if it’s a terminating or repeating decimal How do I change from a fraction to a decimal?

20. Fractions to Decimals Flip Book Divide the denominator into the numerator EX: 2/5 =

21. Change the fraction to a decimal: Change the fraction to a decimal: = 4 5 0.8 7 8 = 0.875

22. 2 5 40%.40 FractionsPercentsDecimals

23. Questions Answers - Put the number over 100 and reduce - Drop the percent sign. *Remember, “percent” means “per hundred” How do I change from a percent to a fraction?

24. Percents to Fractions Flip Book Write the number over 100, drop the %, & simplify EX: 96% =

25. 32 % = Change the percent to a fraction: Change the percent to a fraction: 32 100 = 16 50 35% = 35 100 = 7 20 8 = 25

26. 2 5 40%.40 FractionsPercentsDecimals

27. Questions Answers - Convert fraction to a decimal number by dividing the numerator by the denominator - Move the decimal point two places to the right. - Attach a percent sign. How do I change from a fraction to a percent?

28. Fractions to Percents Flip Book Change the fraction to a decimal, then to a percent by moving the decimal 2 places to the right EX: 1/2 =

29. Change the fraction to a percent: 3 15 = 15 ) 3 = 0.2 = 20% 5 8 = 8 ) 5 = 0.625 = 62.5%

30. Convert to a fraction: 1. 3. 5. Convert to a percent: Convert to a decimal:.23.2370% 1 5 70% 1 5 2. 4. 6. 23 100 7 10 23%0.2 = 20% 0.70.2