Interactive
Curated OER

Four Rectangle Perimeter Problems

For Students 6th - 9th
In this perimeter worksheet, students find the perimeter of four rectangles.  Explanations, examples, and solutions are provided.
Interactive
Curated OER

Parallelogram Problems

For Students 9th - 12th
For this online math worksheet, high schoolers solve a variety of geometry problems which utilize parallelograms. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Interactive
Curated OER

My Test Book: Geometry Skills 2

For Students 5th - 7th
For this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding geometry skills. Students may submit their answers to be scored.
Interactive
Curated OER

Coordinate Geometry

For Students 6th - 8th
In this geometry worksheet, learners calculate the midpoint and distance between two points. They use the correct formula to solve the area and perimeter of polygons. There are 20 multiple choice questions with an answer key.
Interactive
Curated OER

Rhombi and Squares Multiple Choice

For Students 9th - 10th
In this geometry worksheet, students identify the missing parts of polygons. They use algebra to solve the equations using the rules of polygons. There are 5 questions with an answer key.
Interactive
Curated OER

Similar Figures

For Students 7th - 10th
In this similar figures learning exercise, 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...
Interactive
Shodor Education Foundation

Shodor Interactivate: Perimeter Explorer

For Students 3rd - 5th Standards
Use this applet to find the perimeter of a variety of shapes with the same or different areas.
Interactive
Math Playground

Math Playground: Geometry Board

For Students K - 1st Standards
Create polygons by stretching bands over pegs on this geometry board. Then find the area and perimeter of the shape you created.
Interactive
Calculator Soup

Calculator Soup: Square Calculator

For Students 9th - 10th Standards
Use this square calculator to find the side length, diagonal length, perimeter, or area of a geometric square. Given any 1 variable you can calculate the other 3 unknowns.