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Mathematics Standard 2 (Measurement and Geometry) |
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Students identify common geometric objects in their
environment and describe their features.
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SRA Math Explorations and Applications, Willoughby, 1999, SRA McGraw-Hill Section References Lesson 23
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Lesson 27
Lesson 28
Lesson 31
Lesson 32
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Lesson 35
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Lesson 38
Lesson 39
Lesson 40
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Lesson 47
Lesson 48
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Software Spatial Relationships, Tenth Planet, 1996
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Previously Published Data 1.) Using a wide, long piece of elastic with ends tied together, students in groups of three to five, hold onto the elastic and move it until it forms a specific shape. As students move toward each other they can feel and see the elastic shape getting smaller. As they back away from each other, they can feel and see the elastic stretch in their hands to form a bigger shape. Students work in groups of three with the elastic and make a triangle by standing at three different points, stretching the elastic, forming 3 angles or corners. Groups of four can do a similar process to make squares and rectangles. 2.) Students cut out shapes (circle, square, triangle, etc.) provided to them on tag board (or cardboard) and color them. They get into pairs and one student chooses a shape to put into a paper bag. The other student reaches into the bag keeping his/her eyes closed, feels the shape, identifies it, and then pulls it out and looks at it to see if she/he was correct. Partners then reverse roles. |
Previously Published Data Students work individually with a teacher/ helper for the assessment activities. 1.) After being told a shape, students draw it on a piece of paper and point to an object in the room or outside that is that shape. Students may also trace the shape in a shallow box filled with sand. 2.) With their eyes closed, students reach into a paper bag, and feel the cutout cardboard shape that was placed inside it. They tell the teacher/ helper the name of the shape, pull it out to look at it, then explain the attributes of the shape.
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KG99