# Math Lesson Plan Triangles

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TEACHER : 6
CLASS: Math
LESSON DATE: 4
6 week (week 4) Feb. 15-19 (week 23)
M T W TH F
FRAME THE LESSON
Teaching Points & Activities
Resources/Materials:
(***Disclaimer: Students do not need to learn how to solve for area of a rhombus.)
Engage: DAY 1 POP QUIZ! Give student Module 15 Mixed Review Test Prep pg 442. SW independently complete the
Engage:
Go Math
Student Expectations Bundled in Lesson
Are you Ready pg. 444. Show Real-world video to preview the lesson. SW work in pair to complete the Reading
Noun=Underline
Verb=Italicize
Module 16
Start up pg. 445 and read pg. 446. Pull small groups who did not master the quiz. All other SW will play vocabulary
6.8(A) Extend previous knowledge of triangles and
Taboo game in partners when finished. Student will draw a card with vocabulary words previously learned plus all
polygons and types of triangles. SW describe the word without saying the word while partner tries to guess. TW
their properties to include the sum of angles of a
Explore:
triangle, the relationship between the lengths of sides
create mini quiz with vocabulary and 6.8A to assess knowledge of polygons at the end of class.
Engage: Area VS Perimeter. SW work in groups to create a T-Chart that lists definitions, key words, and pictures to
and measures of angles in a triangle, and determining
when three lengths form a triangle
represent Area and perimeter. How do you find the area of a rectangle?
Brainpop video area of polygons-https://
6.8D- Determine solutions for problems involving the
area of shapes and prisms where dimensions are
Do you know how to change a rectangle into two identical right triangles?
Explain:
Explore: 16.1 Explore Activity Area of a parallelogram and Trapezoid. Explore 16.2 Area of triangle
positive rational numbers.
Explain: TW explain how important it is to looks at the reference chart to locate the formulas; students must write
6.8B- Model area formals for parallelograms
formula first and then plug in dimensions underneath. SW discover the need to use the proper order of operations
trapezoids, and triangles by decomposing and
when solving. SW tri-fold a foldable with rectangle, parallelogram, trapezoid. Include: definitions, pictures, and
Elaborate:
rearranging part of these shapes.
formulas. Be sure students are using the STAAR Reference chart. Interactive whiteboard for examples
Reteach how to multiply with decimals and fractions when needed.
6.8c-write equations that represent problems related
Elaborate: Guided practice ( May omit Rhombus!) 16.1—16.2 and Independent practice.
to the area of rectangles where dimensions are positive
Extra practice:
rational numbers.
,%20Rectangles,%20a
nd%20Parallelograms.pdf
https://
Evaluate:
Evaluate:16.1 and 16.2 Lesson Quiz Go math Online. TW create Exit tickets for other days this week. Create Area
Objective/Key Understanding:
6.8(A) SWBAT extend previous knowledge of triangles and their properties to
Stop & Check for Understanding—High Level Questions
Critical Writing Prompt:
include the sum of angles of a triangle, the relationship between the lengths of
sides and measures of angles in a triangle, and determining when three
How can you find the areas of a
How do you find the height of a trapezoid?
lengths form a triangle extend previous knowledge of triangles and their
parallelogram and trapezoid?
properties to the relationship between the lengths of sides and measures of
How can you tell that a quadrilateral is a trapezoid rather than a parallelogram?
angles in a triangle.
How are the area of a trapezoid and the
6.8D-SWBAT determine solutions for problems involving
How do you find the area of a trapezoid? How do you find the area of a triangle?
area of a parallelogram?
the area of shapes where dimensions are positive rational
numbers.
What is the relationship between the
6.8B- SWBAT model area formals for parallelograms
rectangle, trapezoid, and the
Small Group Purposeful Talk Question Stems:
trapezoids, and triangles by decomposing and rearranging
parallelogram?
part of these shapes.
What does it mean in a formula when the variables are next to each other without and
operation?
Closing Product/ Question/ Informal Assessment:
What is the relationship between the area of a triangle and a rectangle/parallelogram?
Module 15 Mixed Review Test Prep pg 442
Rigor & Relevance:
(Real World Connection)
Module 16 Real –World Video: Quilting,
Why is area expressed in square units?
Module 16.1 and 16.2 Quizzes online
painting, and other art forms use familiar
geometric shapes, such as triangles and
rectangles to buy enough supplies for a
Vocabulary:
project, you need to find or estimate the
Polygons: triangles, trapezoid, parallelogram. Area, perimeter, formulas, variables
areas of each shape in the project.
Can you Identify the geometric shapes in the
problems, then use their dimensions to find
the area and volume of the shapes?