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- [ CMP - Stretching and Shrinking? ]
compare corresponds, corresponding image ratio scale, scale factor similar angle angle measure area congruent coordinate graphing coordinates diameter dimensions line plot line segment parallel perimeter perpendicular vertex midpoint transform, transforming (slide, flip, turn = translate, reflect, rotate)
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[[Make-up Credit information]
1-23-2006 Math 2
1. HOMEWORK Due Today: Page 22 1&2
2. Fraction Operations Drill Cumulative[Practice sheets (addition/subtraction mixed numbers)]
3. Page 18-19 Problem 2.2 + Follow Up
OBJECTIVE: •To review locating points in a coordinate system •To graph figures using algebraic rules •To predict how figures on a coordinate system are affected by a given rule •To learn that corresponding angles of similar figures are equal and that corresponding sides grow by the same factor[1.3.1]•To compare lengths and angles in similar and nonsimilar figures informally •To experiment with examples and counterexamples of similar shapes [1.3.4] Understand and apply combinations of translations (slides) and reflections (flips) to two-dimensional figures.[1.3.2][1.1.4] ACTIVITIES/ASSESSMENT: Page 18-19 Problem 2.2 + Follow Up Concerned with side ratios, and scale factor. NOTES: HOMEWORK: Page 22-23 2/4/5
1-24-2006 Math 2
1. HOMEWORK due today: Page 22-23 2/4/5
2. Fraction Operations Drill Cumulative [Practice sheets (addition/subtraction mixed numbers)]
3. Page 21 Prob 2.3 + Follow-Up
OBJECTIVE: See 1-23 above. ACTIVITIES/ASSESSMENT: Page 21 Prob 2.3 + Follow-Up - applying different rules to the wump 'hats.' Start making the connection to transformations. NOTES: Model transformations w/names: translation, rotation, reflection HOMEWORK: Page 24 #9 emphasize scale factor
1-25-2006 Math 2
Make-Up Credit Work Due Today!
1. HOMEWORK due today: Page 24 #9 emphasize scale factor
2. Fraction Operations Drill Cumulative [Practice sheets (addition/subtraction mixed numbers)]
3. Pages 90-92 check up
4. Demo/Do transformations w/wo coordinates [
OBJECTIVE: See 1-23 above. ACTIVITIES/ASSESSMENT: Pages 90-92 check up; Demonstrate/Do transformations w/wo coordinate grids (i.e., some with numbers some without. NOTES: Include 'definitions' HOMEWORK: Draw an object then transform (translate, rotate, reflect)
1-26-2006 Math 2
1. HOMEWORK due today: Draw an object then transform (translate, rotate, reflect)
2. Fraction Operations Drill Cumulative [Practice sheets (addition/subtraction mixed numbers)]
3. Page 28 Prob 3.1 + Follow Up
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[1.1.4][1.2.5] •To find a missing measurement in a pair of similar figures •To recognize that triangles with equal corresponding angles are similar[1.3.1][1.3.2][5.1.1] ACTIVITIES/ASSESSMENT: Page 28 Prob 3.1 + Follow Up; Emphasis is on properties of similarity - congruent corresponding angles and for today, scale factor. Time permitting, demo sides ratios. NOTES: HOMEWORK: Pages 33-34 2-7
1-27-2006 Math 2
1, HOMEWORK due today: Pages 33-34 2-7
2. Fraction Operations Drill Cumulative [Practice sheets (addition/subtraction mixed numbers)]
3. Page 29, prob 3.2 + Follow-Up
OBJECTIVE: See 1-26 above. ACTIVITIES/ASSESSMENT: Page 29, prob 3.2 + Follow-Up. We will do this assignment with cut outs instead of tiles - approximately one page per person, 4 per group - assemble on scratch sheets by group. NOTES: END OF QUARTER/SEMESTER. Grades close today! HOMEWORK: None
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