Lesson Plan
Curated OER

Triangles

For Teachers 4th
Fourth graders participate in three experiments to gain understanding of triangles. In this triangles lesson, 4th graders use pipe cleaners to create bubble pipes, basketball hoops and bingo cards to display the characteristics of...
Worksheet
Curated OER

Guided Notes on Area

For Students 9th - 10th
In this area learning exercise, students find the area of rectangles, triangles and circles. This eight-page learning exercise contains approximately 36 problems. Examples and explanations are provided. Answers are included at the end of...
Worksheet
Helping with Math

Geometry: Areas of Triangles

For Students 7th - 9th Standards
For this areas of triangles instructional activity, students observe given polygons. They determine the area of triangles, rectangles and compound figures. This one-page instructional activity contains 5 multi-step problems. This...
Worksheet
Curated OER

A-Z Tech Math Final Exam Study Guide

For Students 9th - 10th
In this math study guide, students solve problems previously studied throughout the school year. Problems include, but are not limited to, volume, area, perimeter, square roots, binomials, trinomials, graphing, and consumer math. This...
Worksheet
Curated OER

The Law of Sines

For Students 9th - 12th
In this law of sines worksheet, learners use the law of sines to find the missing measurement in a triangle. They determine the value of angles and the lengths of triangles. Students compute the area of triangles. This four-page...
Worksheet
Curated OER

Classifying Triangles

For Students 8th - 10th
In this classifying triangles worksheet, students explore given lengths or angle measurements and then classify each triangle as isosceles, scalene or equilateral. They also determine if the triangle may be right, acute or obtuse. This...
Worksheet
Curated OER

Geometric Applications

For Students 9th - 11th
In this geometric applications worksheet, students find the length of a missing side of a right triangle. They determine the perimeter of a polygon and find the distance between two lines. This two-page worksheet contains 28 problems.
Worksheet
Curated OER

All About Triangles

For Students Pre-K - K
For this triangles worksheet, students recognize triangles in a picture. Students find all the triangles in the picture, trace them and color them black.
Worksheet
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Curated OER

Right Triangle Trigonometry: Evaluating Trigonometric Ratios

For Students 10th - 12th
In this right triangle trigonometry worksheet, students use trigonometric ratios to determine the length of a missing side of a triangle or to find a specified angle measurement. This four-page worksheet contains 32 problems. Answers are...
Worksheet
Math eBook

Perimeter Worksheet

For Students 7th - 8th
In this perimeter worksheet, students find the perimeter of given regular and irregular polygons. This four-page worksheet contains 20 problems. This interactive worksheet may be completed online or printed for paper use.
Worksheet
Math eBook

Centroid of Triangles

For Students 9th - 11th
For this centroid of triangles activity, students use given information to determine the centroid of a triangle. They identify the point through which all medians of the triangle pass. This five-page activity contains approximately 20...
Worksheet
Curated OER

Review of Trig Ratios

For Students 11th - Higher Ed
In this trigonometric ratios instructional activity, students solve and complete 10 various types of problems. First, they write the degrees listed in radian measure. Then, students find the exact ratios for each equation. They also find...
Lesson Plan
Curated OER

Geometry Scavenger Hunt

For Teachers 1st - 2nd
Students hunt for hidden geometric shapes and compare the properties of various shapes. In this geometry lesson, students play a game of finding squares, circles, rectangles, and ovals that have been hidden around the classroom. Students...
Worksheet
Curated OER

Graphs of Formulas

For Students 5th
In this worksheet students fill out a function table after reading a short word problem. This is a good way for students to practice the necessary skills for solving word problems or setting up algebra equations.
Worksheet
Curated OER

Geometric Shapes

For Students 3rd - 5th
In this recognizing characteristics of shapes worksheet, students identify characteristics of quadrilaterals, triangles, and parallelograms and determine which sets fall under the same category. Students solve four problems.
Worksheet
Curated OER

Triangles

For Students 10th
In this triangles instructional activity, 10th graders solve and complete 23 various types of problems. First, they match the triangle description with the most specific name and write the letter on the line provided. Then, students...
Worksheet
Curated OER

Triangles

For Students 6th - 10th
In this triangles worksheet, students solve six word problems where they determine the angles measures in different triangles.
Worksheet
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Perimeter

For Students 10th
For this perimeter worksheet, 10th graders solve and complete nineteen various geometry problems. First, they find the length of given segments in addition to the perimeter of a kite. Then, students find the value of a variable so that...
Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve and complete 13 different problems. First, they find the lengths of both missing sides. Then, students find the altitude of an equilateral triangle given the measure of one side. They...
Worksheet
Curated OER

Maximum and Minimum Word Problems

For Students 11th - Higher Ed
In this maximum and minimum worksheet, students solve and complete 10 various types of word problems. First, they find the numbers if the product of the square of one of the numbers with the cube of the other number is to be a maximum....
Worksheet
Curated OER

Similarity

For Students 10th
For this similarity worksheet, 10th graders solve and complete 14 different types of problems. First, they refer to each drawn figure given that the lines are parallel. Then, students find the length of each segment listed. In addition,...
Worksheet
Curated OER

Geometry: Properties of Triangles

For Students 10th - 12th
In this properties of triangles worksheet, students use their knowledge of triangles to find determine angle measurement. They use geometric theorems to prove equal angles. This three-page worksheet contains 15 multi-step geometry...
Worksheet
Curated OER

Area of Quadrilaterals

For Students 10th
In this area of quadrilaterals worksheet, 10th graders solve and complete 5 various types of problems. First, they solve each of the triangles shown and find the area of each triangle. Then, students prove that the sum of the squares of...
Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve and complete 5 different types of problems. First, they solve each of the right triangles shown and express each answer correct to two decimal places. Then students find the...