
Area of Irregular Rectangles
Grade 3 · Math · 45 min
What's Included
Learning Objective
I can find the area of an irregular rectangle by dividing it into smaller shapes and adding their areas together.
Warm-Up Video
Unknown Channel · 5:00
Decomposing shapes to find area (add) | Math | 3rd grade | Khan Academy
Exit Ticket
Quick comprehension check
“Reflect on what you learned today.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts



