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- [ CMP - Stretching and Shrinking? ]
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[Rate, Ratio, Proportion]
2-13-2006 Math 2
1. HOMEWORK due today: Scale Factor Sheets (handout) Measure in cm.
2. Determine scale factors from measureed sheets.
3. Proportion set-ups and calculator solutions.
OBJECTIVE: •GS02 1.3.3; 1.3.4 a) Items may ask students to identify or name ordered pairs describing the location of points or objects in any of the four quadrants on a two-dimensional coordinate grid. b) Items may ask students to identify, plot, and/or label points or shapes on a coordinate grid given ordered pairs. c) Items may ask students to identify or name ordered pairs describing the location of figures that have been translated and/or reflected on a 2-dimensional coordinate grid. d) Items may ask students to identify whether an object has been transformed by a translation and/or a reflection or by a rotation with or without a coordinate grid. e) Items may ask students to identify a picture or diagram of a rotation of 90° or 180° about the center or a vertex of a figure or a combination of two translations and/or reflections of a simple figure, with or without a coordinate grid. f) Items may ask students to plot or draw a combination of two translations and/or reflections of a simple figure on a coordinate grid or to draw a 90° or 180° rotation about the center or a vertex of a figure in the first quadrant. g) Items may ask students to describe the transformation of one object to another on a 2-dimensional coordinate grid, in terms of a combination of two translations and/or reflections. h) Items may ask students to describe a translation, reflection, or rotation so that another person could draw it. i) Items may ask students to explain a series of transformations in a diagram or picture. ACTIVITIES/ASSESSMENT: Determine scale factors from measured sheets.(handout). Emphasies the the scale FACTOR is MULTIPLIED by a dimension Introduce proportion set ups from generated worksheets (review) NOTES: SF greater than 1 = larger; smaller than one = reduced. HOMEWORK: DPWP 17-18
2-14-2006 Math 2
1. HOMEWORK due today: DPWP 17-18
2. Valentine Perimeter and Heart
3. DPWP 13-16 (2nd scoring)
4. Distribute Problem solving worksheet - select 10 - Due 2/22.
5. Prepare Report/Poster for page 40 Reflections
OBJECTIVE: ACTIVITIES/ASSESSMENT: Valentine Perimeter and Heart - calculate the area and the perimeter - provide introduction and formulas. NOTES:Distribute Problem solving worksheet - select 10 - Due on February 22. HOMEWORK: DPWP 19-20
2-15-2006 Math 2
1. HOMEWORK due today: DPWP 19-20
2. WASL Warm-Ups
3. P40 Math Reflections oral or poster
4. Page 43 Problem 4.2 Introductions
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: P40 Math Reflections oral or poster - collect and or deliver. Page 43 Problem 4.2 Introductions - relate to the scale factors introduced earlier. NOTES: Distribute progress report 3-1; HOMEWORK: AWDP 20
2-16-2006 Math 2
1. HOMEWORK due today: AWDP 20
2. Progress Report 3-1
3. WASL Warm-Ups
4. Page 44 Problem 4.2
5. Page 44 problem 4.3
OBJECTIVE: see 2-15 above. ACTIVITIES/ASSESSMENT: Page 44 Problem 4.2, Page 44 problem 4.3 - thes problems deal with scaling up and scaling down using percentages (copy machine reference) NOTES: HOMEWORK: DPWP 21-22
2-17-2006 Math 2
1. HOMEWORK due today: DPWP 21-22
2. WASL Warm Up
3. Page 45 Problem 4.4 modified
OBJECTIVE: See 2-15 above. 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: DPWP 23-24
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