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# Percent,fractions,decimals

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### Percent,fractions,decimals

1. 1. Fractions and More
2. 2. Review <ul><li>Write the reciprocal: 7 </li></ul><ul><li>Prime or composite? 7 </li></ul><ul><li>Solve. </li></ul><ul><li>Change to a percent. 2/9 </li></ul><ul><li>Change to a fraction. 48% </li></ul>
3. 3. Review -- Answers <ul><li>Write the reciprocal: 1/7 </li></ul><ul><li>Prime or composite? Prime(only factors are 1 and itself.) </li></ul><ul><li>Solve. </li></ul><ul><li>Change to a percent. 22.2% </li></ul><ul><li>Change to a fraction. 12/25 </li></ul>
4. 4. Percent To a Decimal <ul><li>Rules: </li></ul><ul><li>Move the decimal two places to the left. </li></ul><ul><li>Example: </li></ul><ul><li>60% = 0.60 </li></ul><ul><li>3% = 0.03 </li></ul>
5. 5. Percent To a Decimal <ul><li>Change percent to a decimal. </li></ul><ul><li>1.) 15% </li></ul><ul><li>2.) 33.3% </li></ul><ul><li>3.) 7% </li></ul>
6. 6. Percent To a Decimal <ul><li>Change percent to a decimal. --- Answers </li></ul><ul><li>1.) 15% = 0.15 </li></ul><ul><li>2.) 33.3% = 0.333 </li></ul><ul><li>3.) 7% = 0.07 </li></ul>
7. 7. Decimal To a Percent <ul><li>Change decimal to a percent. </li></ul><ul><li>4.) 0.51 </li></ul><ul><li>5.) 0.02 </li></ul><ul><li>6.) 0.25 </li></ul>
8. 8. Decimal To a Percent <ul><li>Change decimal to a percent. -Answers </li></ul><ul><li>4.) 0.51 = 51% </li></ul><ul><li>5.) 0.02 = 2% </li></ul><ul><li>6.) 0.25 = 25% </li></ul>
9. 9. Fraction To a Percent <ul><li>Change fraction to a percent. </li></ul><ul><li>7.) 3/4 </li></ul><ul><li>8.) 2/25 </li></ul><ul><li>9.) 2/2 </li></ul>
10. 10. Fraction To a Percent <ul><li>Change fraction to a percent. --Answers </li></ul><ul><li>7.) 3/4 = 75% </li></ul><ul><li>8.) 2/25 = 8% </li></ul><ul><li>9.) 2/2 = 100% </li></ul>
11. 11. Percent To a Fraction <ul><li>Change percent to a fraction. </li></ul><ul><li>10.) 18% </li></ul><ul><li>11.) 75% </li></ul><ul><li>12.) 100% </li></ul>
12. 12. Percent To a Fraction <ul><li>Change percent to a fraction. ---Answers </li></ul><ul><li>10.) 18% = </li></ul><ul><li>11.) 75% = </li></ul><ul><li>12.) 100% = </li></ul>
13. 13. Review - Vocabulary <ul><li>Prime Number: </li></ul><ul><li>Factors are only one and itself </li></ul><ul><ul><ul><li>Example: 7 </li></ul></ul></ul><ul><ul><ul><ul><li>Factors: 1, 7 </li></ul></ul></ul></ul><ul><li>Composite Number: </li></ul><ul><li>Factors are more than one and itself </li></ul><ul><ul><ul><li>Example: 12 </li></ul></ul></ul><ul><ul><ul><ul><li>Factors: 1, 2, 3, 4, 6, 12 </li></ul></ul></ul></ul>
14. 14. Review - Vocabulary <ul><li>Equivalent: Things that are equal to each other. </li></ul><ul><li>Equivalent Fractions: </li></ul><ul><li>1/2 = 2/4 = 4/8 = 8/16 </li></ul>
15. 15. Review <ul><li>Write two equivalent fractions. </li></ul><ul><li>4/6 </li></ul>
16. 16. Review--Answer <ul><li>Write two equivalent fractions. </li></ul><ul><li>2/3 or 8/12 </li></ul>
17. 17. Challenge Yourself. <ul><li>Solve for m. </li></ul>
18. 18. Challenge Yourself. Answers <ul><li>Solve for m. </li></ul>