Algebra: Area of a Triangle - Reteach 16.4
In this triangle activity, students read about the formula for finding the area of a triangle, then find areas for 9 triangles. Houghton Mifflin text is referenced.
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The Area of All Triangles Using Height and Base
Drop in the altitude is all that is needed. Pupils explore finding areas of different types of triangles. Learners realize the formula for finding their area is the same and explore the location of altitudes in triangles to finish the...
6th Math CCSS: Designed
Calculating Perimeter and Area using Architectural Drawings
Take young mathematicians' understanding of geometry into the real world with this upper-elementary math lesson. Given the floor plans of a historic building in Tennessee, students are asked to calculate its area and perimeter as...
4th - 6th Math CCSS: Adaptable
A Five Day Approach to Using Technology and Manipulatives to Explore Area and Perimeter
Young mathematicians build an understanding of area and perimeter with their own two hands in a series of interactive geometry lessons. Through the use of different math manipulatives, children investigate the properties of rectangles,...
3rd - 6th Math CCSS: Adaptable
How Do You Find the Area of a Triangle?
The formula for the area of a triangle is: area equals one half the base times the height. If you have been given these two values then all you need to do is plug them into the formula and solve. Don't forget to write the correct ending...
4 mins 6th - 8th Math
What is the Formula for the Area of a Triangle?
The teacher explains how the formula for a triangle was determined. It is related to a parallelogram. What? The formula for the area of a triangle is derived from the area of a parallelogram? Seeing is believing, so watch this video to...
5 mins 6th - 12th Math