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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

    10-15-2002 Bring your calculator!
    1. =Measure Drill...
    2. -P90Check-Up.....

    OBJECTIVE: Investigation 3: #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: Finish Virus model. Additional Practice 3 (pp174-175) Introduce proportion NOTES: GLENCOE 417-425 which includes similar polygons. [a/b=c/d] Discus the definition of proportion which is a comparison of two ratios. HOMEWORK: Proportion problems dictation
    [Interactive Graphic Proportion Calculator]Link Graphic

    10-16-2002 Bring your calculator! Bring your graph paper! Bring your ruler!
    1. =Measure Drill...
    2. -HW Proportion...
    3. =Investigation 3.

    OBJECTIVE: See 10-16 above. ACTIVITIES: Distribute Progress Report #3; Scale model activities. Using the proportion equation, students will draw and label a scale model of the "U" box with a 5 inch baseline. NOTES: Have students make a list of the dimensions FIRST. [Interactive Graphic Show the calculator procedure for converting decimal answers to sixteenths of an inch]Link Graphic HOMEWORK:

    U Box

    10-17-2002 Bring your calculator! Bring your ruler! Bring your graph paper!
    1. =ProgReport#3....
    2. =Measure Drill...
    3. -P93+ Quiz A.....

    OBJECTIVE: See 10-16 Above. ACTIVITIES: Page 93 Quiz A NOTES: HOMEWORK: P40 Write out answers to 1&2 and either 3 or 4

    10-18-2002 Bring your calculator! Bring your ruler! Bring your graph paper!
    1. =Measure Drill...
    2. -P40 1-4 opt.....

    OBJECTIVE: Investigation 4: #To use the definition of similarity to recognize when figures are similar. #To determine the scale factor between two similar figures. #To use the scale factor between similar figures to find the length of corresponding sides. #To find a missing measurement in a pair of similar figures. #To use the relationship between scale factor and the area to find the area of a figure that is similar to a figure of a know area. #To solve problems that involve scaling up and down. ACTIVITIES: Cooperative exercise, complete Investigation 4. NOTES: HOMEWORK: Make a SKETCH of a birds eye view of your bedroom or personal area showing the location of doors and windows (NOT furniture). The sketch is to fit on a sheet of notebook paper. Measure walls, windows, doors, etc. to the nearest ½ inch or centimeter.
    Sketch
    This is a SKETCH
    Fancier sketch
    This is a fancier SKETCH
    Room Drawing
    This is a SCALE DRAWING



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