8th gr lesson 7

16
LESSON 7 OBJ: STUDENTS WILL B E ABLE TO IDENTIFY RATES, AVERAGES AND MEASURES OF CENTRAL TENDENCY.

Upload: sphelps25

Post on 14-Aug-2015

80 views

Category:

Education


0 download

TRANSCRIPT

  1. 1. NOTESUnit Rates = involve two units that form the rateex. 65 miles per hour (65 mph)32 feet per second (32 ft/sec)15 cents per ounce ($0.15/oz)
  2. 2. VROOOOOMMMMCody was driving at an average speed of 55 mph, about how far will the Codytravel in 6 hours?55 miles per hour for 6 hours = 55 x 6 = ?
  3. 3. YOUR TURNBrittney drove to Yellowstone National Park one afternoon. It is 300 milesfrom her house. If she drove 50mph for 7 hours before she stopped, didshe make it to the park?
  4. 4. SCREEEECHJayda finished the 100km bike race in four hours. What was her average speedin kilometers per hour?100km in 4 hours average100 4 = ?
  5. 5. YOUR TURNJoey read 1000 pages in 3 hours on his way to Capital Reef National Park.How many pages did he read per hour?
  6. 6. CLUMP CLUMP CLUMPCooper was traveling at an average rate of 58 miles per hour, about how longwould it take him to travel 20 miles?Round 58 miles to 60 miles since there is 60 minutes per 1 hour.SO, every minute = 1 mile20 miles = ____ minutes?
  7. 7. YOUR TURNGreyson kayaked along the Hawaiian shores at an average rate of 65 milesper hour, about how long would it take him to go 10 miles before hecollapsed?
  8. 8. ZZZZZZZZZZZZZZZZZIn Brittneys favorite four 8th grade classrooms at Snowcrest have 28, 29,31, and 32 students. What is the average number of students in an 8thgrade classroom?28 + 29 + 31 + 32 = 120 120 = ?
  9. 9. YOUR TURNCody went hunting this past week. He had to prepare his own meals. Heate 3 cans of beans on Monday, 6 cans of tomato sauce on Tuesday, 13cans of tuna on Wednesday and 2 cans of artichoke hearts on Thursdaybefore he gave up canned food on Friday. What was the averagenumber of cans he ate per day?
  10. 10. MEAN, MEDIAN AND MODEThe following is a list of the prices of new homes in Ms. Phelpsneighborhood.Home Prices (in thousand $)170 191 209 Mean = Average171 175 185 Mode = Most209 187 181 Median = Middle195 183 209170 185 209
  11. 11. MEANMean = AverageAdd up and divide by total number of itemsHome Prices (in thousand $)170 191 209171 175 185209 187 181195 183 209170 185 209
  12. 12. MEDIANMedian = line up least to greatest..which one in middle?Home Prices (in thousand $)170 191 209171 175 185209 187 181195 183 209170 185 209
  13. 13. MEDIANLine up from least to greatest170 170 171 175 181 183 185 185 187 191 195 209 209 209 209
  14. 14. MODEMode = most (line up and see which one shows up the most)Home Prices (in thousand $)170 191 209171 175 185209 187 181195 183 209170 185 209
  15. 15. MODEWhich one shows up the most?