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Range,
Mean, Median, and Mode
Designed
by: Sally Hug, Hand Middle School
GRADE
LEVEL: 8th SUBJECT(S):
Math
CORE
CURRICULUM OBJECTIVE(S): Identify and
calculate range, mean, median, and mode from
data. (8SP1-7)
RESTATEMENT:
Students will find range, mean, median, and
mode.
OVERVIEW:
Students will find the range, mean, median, and
mode from a set of data in newspaper and from
the internet.
FOCUS/
ESSENTIAL QUESTION(S): What procedures are
followed to find range, mean, median, and mode?
TIME
FRAME: One 45-50 minute periods - one period
for reviewing and activity
RESOURCES:
- Gateways to Algebra and Geometry (p. 40,221,
222, 228), for reference
- Data gathering sheets
- Rubric
- Paper/ Pencil
- Newspaper weather table (tells the temp. from
all over the word and country)
- Computer lab
- Web sites: http://weather.yahoo.com http://intellicast.com/cast
ASSESSMENT:
Students will find range, mean, median, and mode
from actual numbers collected from newspapers
and the internet.
INSTRUCTIONAL
ACTIVITIES:
ACTIVITY
ONE
*
The teacher will review what these terms mean:
Range- the difference between the largest and
the smallest given numbers Mean- the average of
the numbers Median- after placing the number in
order, it is the number in the middle (or in the
case of an even number of numbers, find the
average) Mode- the number that occurs the most
*
Students will be given a copy of temperatures
from the newspaper and will find range, median,
mean, and mode. * Students will fill in the data
gathering sheet. (below)
DATA
GATHERING SHEET:
Name:
___________________ Per. ____________ Date:
_____________
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How
to find: |
Number
found: |
| Range: |
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| Median: |
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| Mean: |
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| Mode: |
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ACTIVITY
TWO:
*
The student will visit the internet for the
given weather web-sites.
*
The student will select 10 different cities and
collect the high temperatures. (the number of
cities that are chosen can be changed to
accommodate time.)
*
The student will fill in the appropriate chart
given below to find the range, median, mean, and
mode.
*
Student work will be displayed in halls or in
classroom.
| CITY: |
HIGH
TEMP.: |
LOW
TEMP.: |
| 1. |
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| 2. |
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| 3. |
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| 4. |
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| 5. |
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| 6. |
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| 7 |
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| 8 |
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| RANGE: |
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| MEDIAN: |
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| MEAN: |
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| MODE: |
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| |
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RUBRIC:
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25 |
15 |
5 |
| RANGE |
FOUND
CORRECTLY WITH CORRECT DESCRIPTION |
SOMEWHAT
CORRECT; MINOR ERRORS |
NOT
CORRECT; MAJOR ERRORS |
| MEDIAN |
FOUND
CORRECTLY WITH CORRECT DESCRIPTION |
SOMEWHAT
CORRECT; MINOR ERRORS |
NOT
CORRECT; MAJOR ERRORS |
| MEAN |
FOUND
CORRECTLY WITH CORRECT DESCRIPTION |
SOMEWHAT
CORRECT; MINOR ERRORS |
NOT
CORRECT; MAJOR ERRORS |
| MODE |
FOUND
CORRECTLY WITH CORRECT DESCRIPTION |
SOMEWHAT
CORRECT; MINOR ERRORS |
NOT
CORRECT; MAJOR ERRORS |
| INTERNET
ACTIVITY |
DIRECTIONS
FOLLOWED; ANSWERS FOUND; NO MISTAKES |
MAJORITY
OF DIRECTIONS FOLLOWED; MOST ANSWERS
FOUND;
MINOR MISTAKES |
MINOR
DIRECTIONS FOLLOWED, LITTLE ANSWERS
FOUND; MAJOR MISTAKES |
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