Hierarchy of management that covers different levels of management
8th gr lesson 7
1.
2. NOTES
Unit Rates = involve two units that form the rate
ex. 65 miles per hour (65 mph)
32 feet per second (32 ft/sec)
15 cents per ounce ($0.15/oz)
3. VROOOOOMMMM
Cody was driving at an average speed of 55 mph, about how far will the Cody
travel in 6 hours?
55 miles per hour for 6 hours = 55 x 6 = ?
4. YOUR TURN
Brittney drove to Yellowstone National Park one afternoon. It is 300 miles
from her house. If she drove 50mph for 7 hours before she stopped, did
she make it to the park?
5. SCREEEECH
Jayda finished the 100km bike race in four hours. What was her average speed
in kilometers per hour?
100km in 4 hours – average
100 ÷ 4 = ?
6. YOUR TURN
Joey read 1000 pages in 3 hours on his way to Capital Reef National Park.
How many pages did he read per hour?
7. CLUMP CLUMP CLUMP
Cooper was traveling at an average rate of 58 miles per hour, about how long
would 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 mile
20 miles = ____ minutes?
8. YOUR TURN
Greyson kayaked along the Hawaiian shores at an average rate of 65 miles
per hour, about how long would it take him to go 10 miles before he
collapsed?
9. ZZZZZZZZZZZZZZZZZ
In Brittney’s favorite four 8th grade classrooms at Snowcrest have 28, 29,
31, and 32 students. What is the average number of students in an 8th
grade classroom?
28 + 29 + 31 + 32 = 120 120 ÷ ퟒ = ?
10. YOUR TURN
Cody went hunting this past week. He had to prepare his own meals. He
ate 3 cans of beans on Monday, 6 cans of tomato sauce on Tuesday, 13
cans of tuna on Wednesday and 2 cans of artichoke hearts on Thursday
before he gave up canned food on Friday. What was the average
number of cans he ate per day?
11. MEAN, MEDIAN AND MODE
The following is a list of the prices of new homes in Ms. Phelps’
neighborhood.
Home Prices (in thousand $)
170 191 209 Mean = Average
171 175 185 Mode = Most
209 187 181 Median = Middle
195 183 209
170 185 209
12. MEAN
Mean = Average
Add up and divide by total number of items
Home Prices (in thousand $)
170 191 209
171 175 185
209 187 181
195 183 209
170 185 209
13. MEDIAN
Median = line up least to greatest…..which one in middle?
Home Prices (in thousand $)
170 191 209
171 175 185
209 187 181
195 183 209
170 185 209
14. MEDIAN
Line up from least to greatest
170 170 171 175 181 183 185 185 187 191 195 209 209 209 209
15. MODE
Mode = most (line up and see which one shows up the most)
Home Prices (in thousand $)
170 191 209
171 175 185
209 187 181
195 183 209
170 185 209
