Area of a Triangle
Free to teach as-is — the teacher guide, student handout, and slides are included.
Free — we'll email you an access link. Google Docs format.
Objective
I can find the area of a triangle using the formula A = ½ × base × height.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
9 questions
What is the formula for finding the area of a triangle? Please write it out in your own words.
A triangle has a base of 8 cm and a height of 5 cm. Calculate the area of the triangle.
Part 3 of 3
Exit ticket
Quick comprehension check
“A triangle has a base of 7 cm and a height of 9 cm. Calculate the area of the triangle. Show all work. A triangle has a base of 12 meters and a height of 4 meters. Calculate the area of the triangle. Show all work.”
Sample answer included in the free materials
Get the materials
Teacher guide, student handout, and slides — free, in Google Docs format
Teacher Guide
Complete lesson plan with answer keys and alternate activities
Student Handout
Printable worksheet
Slides
Ready to present
We'll ask for your email to send your access link — nothing else.
Teaching a group at a different level?
Where are your students right now? We'll rebuild this lesson to match — including the teacher guide, student handout, and slides, saved to your Google Drive.
Adapt This Lesson

