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Title
Angles, Triangles, Quadrilaterals, Circles and Related
Lesson Objective
Use two-dimensional shape vocabulary to identify attributes of Triangles and Quadrilaterals.
Background Information for Teacher
N/A
Student Prior Knowledge
N/A
Materials:
Geometry Vocabulary Sort paper
Foldable: Two-dimensional Vocabulary
Paper
Pencil
Step-by-Step Guided Lesson
Step 1: Start Video (triangle 7:39)
Next Video (Angles 7:35)
Last Video (Quads 9:49)
(Tips: Interact with the video by pausing, to ask questions or discuss information viewed with student.)

Step 2: Teach Lesson
Triangles and Quadrilaterals have identifying attributes.
Review: Have the student sketch an example for each:
1. two parallel lines
2. two perpendicular lines
3. an acute angle
4. an obtuse angle
5. a ray
6. a line segment
7. the diameter of a circle
Activity
The student can now begin their vocabulary sorting activity. Discuss with the student the categories they chose for their vocabulary
sorts. Review basic vocabulary by having the student discuss and complete the Two-dimensional Geometry Words Foldable for their
journals. As they fill in each word, have the student show what they have sketched and written. Discuss with the student to make
sure they included vocabulary for all essential attributes and parts.
Step 3: Complete the worksheet attached below.
Worksheets needed to complete the lesson
Step 4: Review. Start the next lesson with the game or activity attached below for review so the student can demonstrate
understanding of this lesson before moving forward.
Classifying Quadrilaterals ( online game)
Additional Instruction video, with onl

                                                                   ine practice

ine practice