**Warm-Up** (*Give students first 5 minutes to complete, then scroll down to show answers*)

Write the sentence that describes the information given on each diagram. Be sure to include the words: Opposite, Consecutive, Bisect, Congruent, Supplementary, Perpendicular, Sides, Angles, Diagonal(s) in your answers. COPY DOWN DIAGRAMS!

Answers:

- Diagonal bisects a pair of opposite angles.
- One pair of opposite sides are congruent.
- Diagonals are perpendicular.
- Consecutive angles are supplementary.

*Have students take out “Special Quadrilaterals- Definitions and Properties” worksheet.*

*They should have Parallelogram, Rhombus, and Kite completed. Give students 2 minutes to complete the definitions (words and labels) for the 3rd and 4th sections (do not do last section yet!) They can look back at their notes from Monday’s Warm-Up- it is no different! This should all be done in the “Definition” box of each section.*

It should now look like this:

Now have students watch the following 3 videos:

For students to come up with the 3 properties of an Isosceles Trapezoid, they should consider combining the following options of key terms:

Consecutive, Opposite, Base

Side, Angle, Diagonal

Bisect, Congruent, Supplementary, Perpendicular

(*Students have 4 minutes to do this, then watch next video for answers*)

At this point, students should be ready to apply all of these definitions and properties to create and solve equations in their SpringBoard books. Have students get their SpringBoard books out and they have the rest of the period to begin completing the following. Anything not finished will be due by Tuesday of next week. Work should be done in SpringBoard.

p. 205-1: a-e

p. 208: 12

p. 213: 1: a,b; 4: a-d

p. 214: 6: a-c

p. 215: 11 and 12

p. 216: 6: a-c

p. 219: 13: a-c

p. 220: 17