1. copyright©amberpasillas2010 Calculator Needed Today! For today’s lesson get a calculator!

2. copyright©amberpasillas2010 For Learning to Happen: Take out your calculator. Remove all other thoughts from your mind. Pay close attention. Try all the examples. Ignore all other distractions.

3. copyright©amberpasillas2010 Percents are written in different forms. Percent Form 35% Verbal Form 35 Percent Fraction Form Decimal Form 0.35

4. copyright©amberpasillas2010 Percent means “ per hundred.” 100 of

5. copyright©amberpasillas2010 To change a Percent to a Decimal : Divide the percent by 100. * Dividing by 100 results in moving the decimal 2 places to the left. 20% 10020 -200 0 2 0

6. copyright©amberpasillas2010 Divide the percent by 100 1) 40% 2) 35% 3) 51% 4) 121% 5) 8% 6) 3412% = 0.40 = 0.35 = 0.51 = 1.21 = 0.08 = 34.12

7. copyright©amberpasillas2010 Divide the percent by 100 Notice that changing a percent to a decimal results in moving the decimal 2 places to the left

8. copyright©amberpasillas2010 Divide the percent by 100 WHY DOES THIS WORK? Dividing by 100 hundred results in moving the decimal 2 places to the left.

9. copyright©amberpasillas2010 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Move 2 places to the right Move 2 places to the left There is a really useful shortcut to change % to decimals, and decimal to % that uses what you know about the alphabet. D P

10. copyright©amberpasillas2010 Decimal Percent A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Move 2 places to the right Move 2 places to the left Multiply by 100 Divide by 100 Per-cent means per 100

11. copyright©amberpasillas2010 Decimal Percent A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Move 2 places to the right Move 2 places to the left Multiply by 100 Divide by 100

12. copyright©amberpasillas2010 To change a Percent to a Fraction Put 100 in the denominator and reduce if possible.

13. PERCENTS ANSWER PERCENTS ANSWER 1) 50%4) 3% 2) 29%5) 37.5% 3) 129%6) 25% Per-cent means per 100

14. copyright©amberpasillas2010 FRACTIONS ANSWER FRACTIONS ANSWER 0.625 0.18 0.1875 1.5 0.50.6 1) 2) 3) 4) 5) 6)

15. copyright©amberpasillas2010 DECIMALS ANSWER DECIMALS ANSWER 0.30.861 0.410.35 1.130.001 1) 2) 3) 4) 5) 6) Say the decimal using the correct place value.

16. copyright©amberpasillas2010 Multiply by 100

17. copyright©amberpasillas2010 Per-cent means per 100 Divide by 100 Say it correctly!

18. copyright©amberpasillas2010 Multiply by 100

19. copyright©amberpasillas2010

20. REMEMBER: To Always Show Your Work Take out your study guide!!!

21. copyright©amberpasillas2010 #7 To change a Percent to a Decimal : Divide the percent by 100. 20% * Dividing by 100 results in moving the decimal 2 places to the left. 10020 -200 0 2 0

22. copyright©amberpasillas2010 To change a Percent to a Fraction : Put 100 in the denominator and reduce if possible. #8