- To differentiate this lesson, I recommend beginning by having students design a Venn diagram to classify the
quadrilaterals. Do this BEFORE teaching the lesson. - Begin by going through a brief explanation of a Venn diagram. Most students will be familiar with them.
- Then tell students that they are going to work with the text in small groups and design a Venn diagram to
classify the following quadrilaterals. - List the quadrilaterals on the board and provide students with chart paper and colored pencils.
- Students have been working with these figures for a long time. This exercise allows you an opportunity to
walk around and assess student understanding about these figures. - Allow students to devise their own classifications system to engage higher level thinking.
- When finished, ask students to explain how and why they chose to classify the figures the way that they did.
- Then move to the text.
- Go through the material in the text with the students having a deeper understanding of different quadrilaterals.
- Intelligences- linguistic, logical- mathematical, visual- spatial, bodily- kinesthetic, interpersonal, intraper-
sonal.
III.SpecialNeeds/Modifications
- Define each type of quadrilateral on the board.
- Help students to create a chart of each with a drawing and a brief description.
- Define Opposite Sides of Parallelogram Theorem
- Define Opposite Angles of Parallelogram Theorem
- Review distance formula
- Review slope
IV.AlternativeAssessment
- Use the Venn diagram exercise to assess student learning and understanding.
- Look at how the students have chosen to classify the different figures- does this make sense? What adjustments
are needed? - Did the students classify according to sides and angles?
- Provide feedback to expand student understanding.
Using Parallelograms
I.SectionObjectives
- Describe the relationships between opposite sides in a parallelogram.
- Describe the relationship between opposite angles in a parallelogram.
- Describe the relationship between consecutive angles in a parallelogram.
- Describe the relationship between the two diagonals in a parallelogram.
II.MultipleIntelligences
- Begin by handing out pieces of string to each student. Some of the strings can be the same length and some
can be different lengths. - Have the students use these strings to work through the examples at their seats.
- This is a hands- on way to demonstrate the power of congruent side lengths.
- Then have the students design a quadrilateral on the coordinate grid. They can each decide whether it is a
parallelogram or not.
4.6. Quadrilateral