Uncovering Student Thinking About Mathematics in the Common Core, High School by Tobey Cheryl Rose Arline Carolyn B. & Carolyn B. Arline

Author:Tobey, Cheryl Rose,Arline, Carolyn B. & Carolyn B. Arline
Language: eng
Format: epub
ISBN: 9781483359083
Publisher: Sage Publications Inc.
Published: 2014-04-14T16:00:00+00:00

Is It a Parallelogram?

Teacher Notes: Is It a Parallelogram?

Questions to Consider About the Key Mathematical Concepts

Can students use properties of parallelograms to prove whether a figure is a parallelogram? To what extent do they

• make sense of information given and needed to represent a parallelogram?

• reason about whether enough or appropriate information is given for proving a figure is a parallelogram?

• describe the different ways to prove a figure is a parallelogram?

Common Core Connection

(CCSS.Math.Content.HSG-CO.C.11)

Grade: High School

Domain: Geometry

Cluster:

Prove geometric theorems.

C11. Prove theorems about parallelograms. Theorems include the following: Opposite sides are congruent, opposite angles are congruent, the diagonals of a parallelogram bisect each other, and, conversely, rectangles are parallelograms with congruent diagonals.

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