Shodor Education Foundation
Squaring the Triangle
Teach budding mathematicians how to square a triangle with an interactive that shows a graphical proof of the Pythagorean Theorem. Pupils alter the lengths of the legs using sliders. Using the inputted lengths, the applet displays the...
CK-12 Foundation
Identifying Sets of Pythagorean Triples: Matching Problem
What sets of whole numbers make up the measures of side lengths in right triangles? Pupils use an interactive triangle to learn about Pythagorean triples. Individuals find missing values in triples and learn more about Pythagorean...
Curated OER
Coordinate Plane Worksheets - Area of Rectangle
In this online math worksheet, high schoolers calculate the area of a variety of rectangles given the measure of their vertices. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Curated OER
Triangle Fundamentals Multiple Choice
In this triangle fundamentals worksheet, learners identify possible side lengths of triangles. The first three problems give measurements of the sides, students select the combination that is possible in a triangle. The final three...
Curated OER
Similar Figures
In this similar figures worksheet, students identify the meaning of similar, corresponding sides, and congruent. They use proportions to find the length of a missing side. Students dilate given figures according to a scale factor. ...
Curated OER
Volume: How Full Can You Go?
In this volume: how full can you go activity, students interactively answer 10 multiple choice questions about volume in both metric and standard measure, then click to check their answers.
CK-12 Foundation
Work and Force: Lifting a Bucket
How much work does it take to lift a bucket? An interactive presents a problem of lifting a bucket from the ground to the top of a building. Using their knowledge about work and integrals, pupils calculate the amount of work required to...
Curated OER
Area and Perimeter of Rectangles Worksheet (II)
In this geometry worksheet, 10th graders determine area and perimeter of rectangles, given the width and the length. The one page interactive worksheet contains ten questions. Answers and hints are included.
Curated OER
Pythagorean Theorem
In this measurement activity, students will be given 2 sides of a right triangle, they will determine if the missing side is a leg or the hypotenuse. They will use the Pythagorean Theorem to create an equation and find the length of the...
Curated OER
Mixed Right Triangles
In this geometry activity, 10th graders use right triangle trigonometry to find the missing angle measure or side length in right triangles. The one page interactive activity contains ten questions. Answers and hints are included.
Curated OER
Triangle Problems-Base, Height, and Area
In this geometry worksheet, 10th graders find the base, height, or area of a triangle. The one page interactive worksheet contains ten questions. Answers and hints are included.
Curated OER
Square Pyramids
In this online math worksheet, students practice finding the perimeter and the volume of a variety of square pyramids. When complete, students submit their answers and get instant feedback regarding their accuracy.
Curated OER
How Many?
In this measurement worksheet, students complete a 12 question multiple choice online interactive assessment about standard modern and ancient measurement.
Curated OER
My Test Book: Geometry Skills 2
In this online interactive math skills activity, students solve 10 multiple choice math problems regarding geometry skills. Students may submit their answers to be scored.
Curated OER
Law of Cosines
In this cosine worksheet, students will find the length of the third side of a triangle given the length of the other two side. Students will use the Law of Cosines to find the length of the missing side. Answers will be rounded to 3...
Curated OER
Metric Measurement
In this metric conversions worksheet, students convert units of measure to each other with meters, kilometers, grams, and more. Students complete 12 problems.
Curated OER
Area and Perimeter of Rectangles Worksheets (I)
In this online math instructional activity, students find the area and perimeter of rectangles. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching...
Curated OER
Coordinate Planes - Area of Triangle
In this online math worksheet, high schoolers find the area of a variety of triangles given the measurements of their vertices. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Curated OER
Telling Time With Fuses
In this telling time learning exercise, learners use fuses which burn at different times to tell times in 45 minute increments. They solve this number puzzle and check their answer with an online solution.
Curated OER
Shapes and Angles
Are your geometry whizzes learning about angles and shapes? This online worksheet gives 10 multiple choice questions based on images and word problems. Concepts include deducting angle degree, classifying shapes, and identifying angle...
Online Math Learning
Word Problems That Use GFC or LCM
This is a webpage that contains five word problems requiring learners to find the least common multiple or least common denominator.
Curated OER
The Pythagorean Theorem
For this geometry worksheet, 10th graders answer questions about right triangles by identifying the 3 sides of the triangle. They analyze the different shapes of polygons and relate them to right triangles to find the sides using the...
Curated OER
Area Post Test
In this area worksheet, students complete a ten question multiple choice test by finding the area of various geometric figures. This is an interactive worksheet.
Curated OER
SAT Practice Test
In this online, interactive worksheet, students solve ten SAT preparation problems in 12 minutes. The problems vary in difficulty and content.