Covering and Surrounding: Investigation 2: Changing Area, Changing Perimeter |
MMS Math
Essentials &
Vocabulary Vocabulary on this page Parents Help Links on this page |
Geoboard – Use geoboards to illustrate area, perimeter, and rational number concepts. | |
Geoboard - Circular – Use circular geoboards to illustrate angles and degrees. | |
Geoboard - Coordinate – Rectangular geoboard with x and y coordinates. | |
Geoboard - Isometric – Use geoboard to illustrate three-dimensional shapes. |
Practice identifying types of triangles: obtuse, right, isoleses and equilateral. Learn how to find the area of a triange and use the Pythagoran Theorem to find the length of the hypotenuse.
Identify different polygons. Learn to find the perimeter of a rectangle and the area of a rectangle.
Circle: find the circumference and the area.
Review what you've learned about geometry
Area and Perimeter
Concept
with Explanation
Selected
Homework from ACE
In Covering and Surrounding student work with investigations leads them
to:
Understand area and relate area to covering a figure;
Understand perimeter and relate perimeter to surrounding a figure;
Develop strategies for finding areas and perimeters of rectangular shapes and non-rectangular shapes;
Discover relationships between perimeter and area. including that each can vary while the other stays fixed;
Understand how the areas of simple geometric figures relate to each other (e.g. the area of a parallelogram is twice the area of a triangle with the same base and height);
Develop formulas and procedures-stated in words and/or symbols-for finding areas and perimeters of rectangles, parallelograms, triangles, and circles;
Develop techniques for estimating the area and perimeter of an irregular figure; and
Recognize situations in which measuring perimeter or area will help answer practical questions.
Vocabulary |
Picture | Vocabuary |
angle | |
Circle | |
radius | |
diameter | |
pi | |
circumference | |
area | |
perimeter | |
base | |
height | |
length | |
width |