Curated OER
Triangle Series
Your algebra learners emphasize the"geometric" in geometric series as they use a common ratio between algebraic terms and find that it corresponds to a repeated similarity transformation.
Shodor Education Foundation
Triangle Area
While the lesson focuses on right triangles, this activity offers a great way to practice the area of all triangles through an interactive webpage. The activity begins with the class taking a square paper and cutting in in half; can they...
Curated OER
Who Wants to Be a Champion: Perimeter, Area, Symmetry
Have your learners practice finding the perimeter and area of geometric shapes using this resource. While just a simple review, this could be a wonderful way to solidify the concepts in their minds.
Curated OER
Triangles
This unit enables scholars to apply the rule for area of a triangle (area equals half base times height). They practice multiplication and division strategies as they calculate areas.
Curated OER
Triangle Problems-Base, Height, and Area
In this geometry activity, 10th graders find the base, height, or area of a triangle. The one page interactive activity contains ten questions. Answers and hints are included.
Curated OER
Easy Worksheet: Area of Triangles
In this area of a triangle activity, high schoolers solve 6 graphing problems. Students find the area of a triangle given the three coordinates of the vertices.
Curated OER
Area of Parallelogram and Triangle
In this geometry worksheet, 10th graders determine the area of triangles and parallelograms. The one page interactive worksheet contains ten questions. Answers and hints are included.
Curated OER
Six Find the Area of Triangles Given the Vertices Problems
In this area of a triangle learning exercise, students calculate the area of six triangles given the coordinate of the vertices. Grids are provided.
Curated OER
Area of a Triangle
For this geometry worksheet, students solve problems by finding the area of a triangle. They are given the sides and asked to solve using the Pythagorean Theorem. There are 72 problems.
Curated OER
Finding the Area of a Triangle
Fifth graders investigate the area of a triangle. In this geometry lesson, 5th graders practice finding the area of a triangle using the correct formula: 1/2bh.
Curated OER
Triangle in the Matrix
Young mathematicians represent a triangle with a matrix and use the determinant to find the area of three given triangles. Learners also verify the formula for area of a triangle.
Curated OER
The Area of a Triangle
In this area of a triangle worksheet, learners solve 30 problems in which the area of triangles are calculated. There is instruction on the page. This is intended for on-line use but can be done on paper.