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Lesson Plans - Math 2A

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  • [WASL Glossary (PDF format)]Link Graphic
  • Look up the meaning of math terms not in your text. [Here ]Link Graphic [and here!]Link Graphic
    [CMP - Stretching and Shrinking]Link Graphic   [Click here for the math in this unit...]Link Graphic

    [Conversions Ladders - Study for your measure drills!!]Link Graphic

    10-7-2002
    1. =MeasureDrill....
    2. -HW Read Investigation 1, pp 1 - 13. Define "similar"

    OBJECTIVE: #To make enlargements of simple figures with a rubber-band stretcher. #To describe in an intuitive way what the word similar means. #To consider relationships between lengths and between areas in simple, similar figures. ACTIVITIES: District Calculation assessment: Work on Additional Practice 1 in class, finish at home. NOTES: Bring a copy of your favorite comic strip from a newspaper or comic book. HOMEWORK: Pg. 9, #1 and Pg. 11, #6a/6b.

    10-8-2002 Bring your graph paper! Bring your ruler!
    1. =MeasureDrills...
    2. -HW Pg. 9, #1, Pg. 11, #6a/6b
    3. =Additional Practice 1...

    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. #To compare lengths and angles in similar and nonsimilar figures informally. #To experiment with examples and counterexamples of similar shapes. ACTIVITIES: Work Connection Problems 11 - 14 on pp. 24 - 26 in class. Finish at home. NOTES: HOMEWORK: Pp 22/23, #1 and #6.

    10-9-2002 Bring your graph paper! Bring your ruler! Bring your calculator!
    1. =MeasureDrill....
    2. -HW Pp 22/23, #1 and #6
    3. =Connection Problems 11-14, pp. 24-26

    OBJECTIVE: Same as 10-9. ACTIVITIES: Work on Additional Practice 2 in class. NOTES: HOMEWORK: Finish Additional Practice 2 at home if required.

    10-10-2002 Bring your calculator! Bring your ruler! Bring your graph paper!
    1. =MeasureDrill....
    2. =AddPractice2....
    3. =Virus Project*..

    OBJECTIVE: Same as 10-9. ACTIVITIES: Check-up 1. NOTES:*Metric week event HOMEWORK: Finish Check-up 1 at home if required.

    10-11-2002< Bring your calculator! Bring your ruler! Bring your graph paper!/b>
    1. =MeasureDrill....
    2. -CheckUp 1.......
    3. ................

    OBJECTIVE: #To recognize similar figures and to be able to tell why they are similar. #To understand that any two similar figures are related by a scale factor, which is the ratio of their corresponding size. #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 the square of the scale factor. #To find a missing measurement in a pair of similar figures. #To recognize that triangles with equal corresponding angles are similar. ACTIVITIES: Work in groups on producing scale models. NOTES: HOMEWORK: TBA

    [Dilations-Information]Link Graphic
    [Simple dilation - example]Link Graphic

    Definitions needed for this unit:

    • SIMILAR SHAPES
    • (Equivalent)RATIOS
    • SCALE
    • SCALE FACTOR

    geometric probability = The probability that a random point is located in a particular part, or subregion, of a larger region



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