Composite Area with Rectangles and Triangles
Grade 6th Grade · Math · 45 min
What's Included
Learning Objective
I can find the area of composite figures by breaking them into rectangles and triangles.
Warm-Up Video
Math with Mr. J · 6:03
Finding the Area of Composite Figures with Triangles | Math with Mr. J
Guided Notes
3 key concepts
- 1
To find the area of a composite figure, separate the figure into simpler shapes like rectangles and triangles.
- 2
The formula for the area of a triangle is base x height ÷ 2, and the formula for the area of a rectangle is length x width.
- 3
After finding the area of each individual shape, add the areas together to find the total area of the composite figure.
Practice Questions
9 questions · Short answer
Exit Ticket
Quick comprehension check
“A composite figure is made of a rectangle and a right triangle. The rectangle has a length of 8 inches and a width of 5 inches. The triangle's base is 8 inches, and its height is 3 inches. What is the total area of the composite figure?”
Complete Lesson Package
Get all 3 ready-to-use resources:
