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Welcome to Geometry! Geo means Earth (geography is mapping the Earth, for example) and metry means measurement. Geometry applies the arithmetic, algebra and reasoning skills you have learned to the objects you see all around you. During this course, you will ask and answer questions such as “How can I describe this shape?”, “How can I measure this shape?”, “Is this shape symmetrical?”, and “How can I convince others that what I think about this shape is true?”
This chapter begins with some activities that will introduce you to the big ideas of the course. Then you will apply motions to triangles and learn how to specify a particular motion. Finally, you will explore attributes of shapes that can be used to categorize and name them and find the probabilities of selecting shapes with certain properties from a “shape bucket.”
In this chapter, you will:
- Become familiar with basic geometric shapes and learn how to describe each one using its attributes, such as parallel sides or rotation symmetry.
- Investigate three basic rigid transformations: reflection (flip), rotation (turn), and translation (slide).
(Transformations, Probability, Classifying Shapes, Solving Systems of Equations)
(Order of Operations and Evaluating Expressions, Solving Linear Equations, Area and Perimeter, Multiple Representations of Functions, Multiplying Binomials)
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