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(Check the Essential Learnings and Grade Level Equivalent numbers here.)

2-21-2006 Math 2  
1. HOMEWORK due today: DPWP 23-24
2. Page 45 Problem 4.4 modified

OBJECTIVE: " To use the definition of similarity to recognize when figures are similar " To determine the scale factor between similar figures to find the lengths of corresponding sides[1.1.4] " To find a missing measurement in a pair of similar figures[1.1.4] " To use the relationship between scale factor and area to find the area of a figure that is similar to a figure of a known area " To solve problems that involve scaling up and down[1.1.4][1.2.5][1.3.1][1.3.2][5.1.1] ACTIVITIES/ASSESSMENT: Page 45 Problem 4.4 modified - these are map scale exercises. they will be modified to include local geography. Page 45 Problem 4.4 modified NOTES: HOMEWORK: None

2-22-2006 Math 2  
1. Select 8 Problem solving set check
2. Proportion set-up and introduction worksheet.

OBJECTIVE: See 2-21 above. 1.1.4 Understand the concept of direct proportion. ACTIVITIES/ASSESSMENT: WASL review of the concept of direct proportion. NOTES: HOMEWORK: None

Enter the values from your proportion problem. Place an x in the box where the unknown goes..
A		C
	=
B		D
Check the set-up!
LeMieux, 2001

2-23-2006 Math 2  
1. HOMEWORK due today: None
2. P53 #15

OBJECTIVE: See 2-21 above. ACTIVITIES/ASSESSMENT: P53 #15 with scale factor and proportions. Measure, copy, and label rectangles A, B, C onto a piece of note book paper. For parts a to f determine the scale factors as stated. When finished, use proportions to verify the accuracy of the measurements. (model/demonstrate the proportion set up.) Start on ch4 proportions handout to determine side lengths using proportions. NOTES: Calculators strongly suggested. HOMEWORK: TBA on worksheet

2-24-2006 Math 2  
1. HOMEWORK due today: TBA on worksheet
2. Final Deadline Select 8
3. Area and scale factor² worksheets

OBJECTIVE: See 2-22 above. ACTIVITIES/ASSESSMENT: Final Deadline Select 8; Area and scale factor² worksheets worksheets to reinforce the relationship of the linear scale factor to square area (area * sf² = new area) NOTES: HOMEWORK: TBA from worksheets.

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