Lesson Plans - Grade 8 Math

11-29-1999
1. ProgReport #5....2. P153 7-11........3. .................
4. .................5. .................6. .................

OBJECTIVE: Find the range and quartiles of a set of data (4-6, Pp151ff) ACTIVITIES: Develop terminology and examples of RANGE, INTERQUARTILE RANGE, UQ, LQ and the methods of determining them. Do page 153 7-10. Correct/collect in class. NOTES: HOMEWORK: Mean, mode, median, range and interquartile range of [3. 3038 3862 3282 2652 1742 3654 2980 1465 3925 1930 2716 2568 3164 2834][9. 9 5 8 6 8 7 8 8 6 7 8 5 8 9]

11-30-1999
1. HW Variation3&9..2. P154 16-22.......3. .................
4. .................5. .................6. .................

OBJECTIVE: Construct and interpret box and whisker plots (4-7, Pp155ff) ACTIVITIES: Introduce terminology for box and whisker plots, e.g. MEDIAN, UPPER EXTREME, UPPER QUARTILE, LOWER EXTREME, LOWER QUARTILE. Model from text and with homework items. NOTES: HOMEWORK: P157 17-26

12-1-1999
1. HW157 17-26......2. .................3. .................
4. .................5. .................6. .................

OBJECTIVE: Data collection for scatter plots. ACTIVITIES: 1) review the previous problem of the week, specifically area determination and linear measure; 2) class data collection: Age in months, show size, height in cm. Number of sibs, number of pets. Introduction to scattergrams. (scatterplots) NOTES: Computers not available HOMEWORK: [Extension 161] Write down the last names of 25 people you know. Next to their name write the number of letters; consonants; and vowels.

12-2-1999
1. HW Name Analysis.2. Name plots.......3. .................
4. .................5. .................6. .................

OBJECTIVE: Construct and interpret scatter plots (4-8, Pp159ff) ACTIVITIES: Continue the introduction form yesterday. Review some text scatterplots. Have students do scatterplots of name data, e.g., vowels vs letters. Have students make a list of the possible combinations of their personal data from yesterday. NOTES: HOMEWORK: On the list of possibilities, predict a positive, negative or no-relationship between the items compared.

12-3-1999
1. HW Sctrplt Pred..2. Scatterplots.....3. .................
4. .................5. .................6. .................

OBJECTIVE: Examine scatterplots and discuss relationships. ACTIVITIES: Plot the personal data in various scatterplots to determine relationships. Be sure to discuss the difference between relationships and causality. NOTES: HOMEWORK: Page 593 lesson 4-8