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# 12 3-10 circle graphs

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• How many students drank water for breakfast?How many drank soda for breakfast?
• What fraction of the total votes did winter receive?What is the least popular season?
• What fraction of the total votes did winter receive?What is the least popular season?
• Number of families with 1 car is about how many times the number of families with 2 cars?How many fewer families have 2 cards than have 3?
• ### 12 3-10 circle graphs

1. 1. Data Collection - Day 4<br />12/3/10<br />EQ: How do I read circle graphs?<br />
2. 2. Which statements are true?<br />Diagonals are shorter than the sides<br />Diagonals meet at right angles.<br />Diagonals are not parallel to any side. <br />
3. 3. Homework<br />Check yesterday’s homework<br />Collect or stickers<br />New homework <br />Discuss problems to solve. <br />
4. 4. Angle Review <br />A rhombus has 1 interior angle of 45 degrees. What are the other 3 angles?<br />45, 135, 135<br />
5. 5. Angle Review <br />You designed an isosceles triangle flag. One interior angle is 40 degrees. What are the possibilities for the others?<br />40, 100<br />70, 70<br />
6. 6. Best Graph for<br />Comparing ?<br />Bar/Picto–<br />Change over time?<br />Line Graph<br />Finding median, mode, range?<br />Stem & Leaf<br />
7. 7. Circle Graphs<br />Best graph for<br />Understanding parts of a whole<br />Parts of circle graph are called wedges. <br />
8. 8. Percents & Decimals<br />30% = .30<br />75% = .75<br />90% = .90<br />125% = 1.25<br />
9. 9. Helpful? How?<br />30% of 250 students like ice cream. How many is that?<br />250 x .30 = 75<br />75% of 250 students likes tacos. How many is that<br />250 x .75 = 187.5 OR 188<br />
10. 10. Percents & Fractions<br />30% = 30/100 = 3/10<br />75% = 75/100 = 3/4<br />90% = 90/100 = 9/10<br />125% = 125/100 = 1 1/4<br />
11. 11. Helpful? How?<br />30% = ice cream. <br />20% = Pie.<br />50% = bananas.<br />What fraction liked bananas?<br />50/100 = 1/2<br />
12. 12. Parts of the Graph<br />
13. 13. Parts of the Graph<br />
14. 14. Parts of the Graph<br />
15. 15. Parts of the Graph<br />
16. 16. Parts of the Graph<br />
17. 17. Circle Graphs<br />School has 91 students.<br />
18. 18. Circle Graphs<br />
19. 19. Circle Graphs<br />93 students surveyed.<br />
20. 20. Circle Graphs<br />75 families surveyed.<br />
21. 21. EQ:<br />How do I read circle graphs?<br />
22. 22. Practice:<br />Page 447-448 #5-14<br />