Perimeter and Area: Geometry: TI Math Nspired

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Perimeter and Area

Perimeter and area are basic measurement concepts. In this unit students explore area formulas for parallelograms, triangles, and trapezoids, and then use some of these shapes to visualize and find the area of irregular polygons. They determine the effect on perimeter and area when one dimension of a rectangle is changed, explore arc length and sector area, and find the relationship between the diameter and circumference of a circle.

Geometry: Perimeter and Area Activities

Title
Side Length, Perimeter, and Area of a Rectangle Explore the effects of changing base (or height) of a rectangle on it's perimeter and area. Standards \| Textbook	6510	15
Area Formulas Explore the relationships among the area formulas for parallelogram and rectangles. Standards \| Textbook	7007	18
Arc Length and Sectors Investigate the mathematics of arc length and sectors. Standards \| Textbook	6597	17
Exploring Areas of Irregular Polygons Explore different ways to find areas of irregular polygons using the three basic shapes of rectangles, parallelograms, and triangles. Standards \| Textbook	6379	15
Fixed Perimeter Rectangles Investigate side length and area in a rectangle with fixed perimeter. Standards \| Textbook	6149	11
Comparing Perimeter to Area of a Square Analyze the relationship between the area and perimeter of a square. Standards \| Textbook	6179	11
Exploring Diameter and Circumference Explore the relationship between the diameter and circumference of a circle. Standards \| Textbook	6248	14

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