2. 5-1 Students will be able to estimate ratios and rates from pictures and data. Write each fraction in simplest form. 14 16 1. 9 72 3. 24 64 2. 45 120 4. 7878 3838 1818 3838 8. A magazine has page numbers from 1 to 80. What fraction of those page numbers include the digit 5? 17 80 Write the following numbers in standard notation: 5. 3.5832 x 10 9 6. 8.284 x 10 -3 7.Compare the number of boys to girls in this class. 3583200000 0.008284

3. 5-1 Students will be able to estimate ratios and rates from pictures and data. Learn to estimate ratios and rates from pictures and data.

4. 5-1 Students will be able to estimate ratios and rates from pictures and data.

5. 5-1 Students will be able to estimate ratios and rates from pictures and data. TThe number of boys = TThe number of girls = IIf we compare boys to girls we get ___ boys to _____ girls.

6. 5-1 Students will be able to estimate ratios and rates from pictures and data. RATIO We just found the RATIO of boys to girls. Is the ratio of girls to boys the same ? No, when writing a ratio, ORDER matters.

7. 5-1 Students will be able to estimate ratios and rates from pictures and data. The ratio of guys to girls is 12 to 2. Would you want to attend the party?

8. 5-1 Students will be able to estimate ratios and rates from pictures and data.  For every 4 basketballs there are 6 footballs.  The ratio is 4 to 6.

9. 5-1 Students will be able to estimate ratios and rates from pictures and data. 44 to 6 44 : 6  4 6 First quantity to Second quantity First quantity : Second quantity First quantity divided by the second quantity (as a fraction). Every ratio can be written in 3 ways: Careful!! Order matters!!!! 4 to 6 Is NOT the same as 6 to 4

10. 5-1 Students will be able to estimate ratios and rates from pictures and data. Since a fraction can be simplified, We can simplify the ratio 6/8 to 3/4. The ratio of sandwiches to coke bottles can also be expressed as 3 : 4 or 3 to 4. In other words, ratios can be simplified to form equivalent ratios.

11. 5-1 Students will be able to estimate ratios and rates from pictures and data. Write all the ratios that can be made using the figure. Did you get six? Blue area to Gold area: 3 to 5 Gold area to Blue area: 5 to 3 Blue area to Total area: 3 to 8 Total area to Blue area: 8 to 3 Gold area to Total area: 5 to 8 Total area to Gold area: 8 to 5

12. 5-1 Students will be able to estimate ratios and rates from pictures and data. Write all the ratios that can be made using the figure. Did you get six? Purple area to Gray area: 5 to 3 Gray area to Purple area: 3 to 5 Gray area to Total area: 3 to 8 Total area to Gray area: 8 to 3 Purple area to Total area: 5 to 8 Total area to Purple area: 8 to 5

13. 5-1 Students will be able to estimate ratios and rates from pictures and data. Yesterday the fax machine at Putnam Middle School handled 28 incoming faxes and 49 outgoing faxes. Estimate each ratio. a. Incoming faxes to outgoing faxes. b. Total faxes to incoming faxes. 28 estimates to 30 49 estimates to 50 30/50 or 3/5 80/30 or 8/3

14. 5-1 Students will be able to estimate ratios and rates from pictures and data. Yesterday the fax machine at Putnam Middle School handled 39 incoming faxes and 27 outgoing faxes. Estimate each ratio. a. Incoming faxes to outgoing faxes. b. Total faxes to incoming faxes. 39 estimates to 40 27 estimates to 30 40/30 or 4/3 70/40 or 7/4

15. 5-1 Students will be able to estimate ratios and rates from pictures and data. Homework: Practice 5.1 all Work on Explain It! Remember: Daily Quiz Tomorrow