Pre-Calculus - Law of Cosines/ Area of a Triangle

Teacher : Holly Carter

Course/ Subject: Pre-Calculus – Area of a Triangle

Date of Instruction:  11/03/2021

Opening (I Do)

An engaging process for lesson introduction that is specifically planned to encourage equitable and purposeful student participation. Describe the instructional process that will be used to introduce the lesson.

TKES 1, 2, 3,4,5, 8,10

Standards:

MGSE9-12.G.SRT.9

MGSE9-12.G.SRT.10

MGSE9-12.G.SRT.11

 Learning Target:

I can solve a non-right triangle

Success Criteria:

I can determine what information I am given for a triangle.

I can solve a proportion.

I can solve an equation by taking the square root of both sides.

Introduction/Connection: 

Do now  -SAT/ACT Practice- students will answer multiple choice questions written in the SAT or ACT style – posted in Google Classroom

Connection – area of a  triangle

DIRECT INSTRUCTION:

Go over Homework

Notes on Area of a Triangle -2 new formulas

Work Period  (We Do, You Do)

Students learning by doing/demonstrating learning expectations.  Describe the instructional process that will be used to engage the students in the work period.

TKES 1, 2, 3, 4, 5, 7. 8,10

GUIDED PRACTICE:  

Orange Book p434 23-27 all

Orange Book p441 17-21 all

INDEPENDENT/COLLABORATIVE PRACTICE/DIFFERENTIATION:

Yellow Book p500 33-44 all  – Students may work in partners if they wish.

Closing  (We Check)

Describe the instructional process that will be used to close the lesson and check for student understanding.

TKES : 1,2,3, 4,5,6,7,8

SUMMARIZE/CHECK FOR UNDERSTANDING:

How do you determine which formula to use to find the area of a triangle?