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[Examples of similarity]
12-1-2003
1. -Pages ages 174-5 Additional Practice 3.OBJECTIVE: •To recognize similar figures and to be able to tell why they are similar [1.3.3][1.3.1] •To understand that any two similar figures are related by a scale factor, which is the ratio of their corresponding sizes •To build a larger, similar shape from copies of a basic shape (a rep-tile) •To find rep-tiles by dividing a large shape into smaller, similar shapes •To understand that the sides and perimeters of similar figures grow by a scale factor and that the areas grow by the square of the scale factor[1.2.1][1.2.3] •To find a missing measurement in a pair of similar figures •To recognize that triangles with equal corresponding angles are similar ACTIVITIES/ASSESSMENT: Pages 174-175 additional practice. Work with partners. correct in class. NOTES: HOMEWORK: Review investigatons 1-3
12-2-2003
1. -Pages 93+ Quiz A.....OBJECTIVE: See 12-1 above ACTIVITIES/ASSESSMENT: Pages 93/94/95 Partner quiz A NOTES: HOMEWORK: Read page 41
12-3-2003
1. -Pages 42 Problem 4.1+.....OBJECTIVE: •To use the defintion 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[3.2.1] •To solve problems that involve scaling up and down[1.1.4] ACTIVITIES/ASSESSMENT: Read/do/discuss problem 4.1 and follow-up on page 42. Main topic is 'scale factor' secondary topic should be perspective and depth perception. NOTES: Distibute Progress report #6. HOMEWORK: Page 47+ 1-4
12-4-2003
1. =Progress Report #6...
2. -HW P47+ 1-4.....
3. =Page 43 Problem 4.2+...OBJECTIVE: See 12-3 above. ACTIVITIES/ASSESSMENT: P42ff, problem 4.2 'Scaling Up' Do problem and follow-Up. NOTES: HOMEWORK: P50+ 8/9/15
12-5-2003
1. -HW P50+ 8/9/15..
2. -Pages 44 Problem 4.3+....OBJECTIVE: See 12-3 above. ACTIVITIES/ASSESSMENT: Page 44, Problem 4.3 and follow-up, 'Making Copies' NOTES: HOMEWORK: Page51ff 11-14
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