This document contains notes from a math class where the teacher covered several topics: 1) Definitions of mean (average), median, and mode. Examples of calculating each are provided. 2) A matching game activity where students found the average of numbers on individual cards and looked for their partner with the same average. 3) The homework assignment of problems from page 42 of the Punchline Problem Solving workbook.

1. Average August 17, 2012
Bellwork
$105
$380
$85
$866
$759
$188
Aug 21­7:11 PM
HW Punchline Problem Solving pg 42 1

2. Average August 17, 2012
Mean ­ average
Find the average of $36, $49, $22, $48, $39, $40, and $18
Find the average.
3.2, 4.2, 6.05, 9.25, 5, 7.1, 9.8, 12.4, 3.3
Aug 21­7:16 PM
HW Punchline Problem Solving pg 42 2

3. Average August 17, 2012
Median­ middle
Find the median.
24, 13, 25, 26, 32, 87, 33, 22, 38
Mode­ most often
Find the mode.
24, 32, 13, 25, 26, 32, 87, 26, 22, 38, 25, 32, 45
Aug 21­7:17 PM
HW Punchline Problem Solving pg 42 3

4. Average August 17, 2012
Matching Game
You will need a pencil, paper, and calculator.
You will each receive a card.
Find the average of the numbers on the card.
This is individual work, so there should be no talking.
After a little time to work, I will give you the cue to look for the
person with the same answer as you.
When you find your partner, initial each others papers, give me the
green cards, and then return to your seat.
You will then receive another card and start again.
Aug 21­7:20 PM
HW Punchline Problem Solving pg 42 4

5. Average August 17, 2012
HW:
PUNCHLINE problem solving
pg 42
Aug 21­7:32 PM
HW Punchline Problem Solving pg 42 5

6. Average August 17, 2012
Aug 16­11:42 AM
HW Punchline Problem Solving pg 42 6