Khan Academy
Khan Academy: Practice: Area of a Circle
A practice quiz on calculating the area of a circle. Includes hints.
CK-12 Foundation
Ck 12: Elem Math: Unknown Dimensions of Squares and Rectangles (Grade 3)
[Free Registration/Login may be required to access all resource tools.] This learning module features five videos and a set of practice questions in which students learn to compute linear measures, given edge or surface measures of...
CK-12 Foundation
Ck 12: Area and Perimeter of Rhombuses and Kites
[Free Registration/Login Required] Students are given the two diagonals of a kite of rhombus and are to determine the area and perimeter. Click challenge me to answer practice questions and click learn more to watch a video.
Discovery Education
Discovery Education: Web Math: Find Out Things About a Rectangle
WebMath offers a good, basic site for students to practice working with the area and perimeter of a rectangle.
Alabama Learning Exchange
Alex: Area and Perimeter of Various Polygons
In this lesson students will be engaged in an interactive online practice session using area and perimeter. Students will have to use critical thinking skills in order to unlock gates and learn more about the cups in the challenge.
AAA Math
Aaa Math: Circumference of a Circle
Calculating the circumference or perimeter of a circle has gotten easier with this formula and practice for finding the circumference.
ClassFlow
Class Flow: Shapes, Area, and Perimeter
[Free Registration/Login Required] Students will begin practice identifying shapes. Then they will practice solving area and perimeter problems, for different shapes.
Learning Wave Communications
Learning Wave: Geometry, Section 2
Geometry concepts are briefly discussed at this site, including volume of a cylinder, parallelograms, circles, trapezoids, and triangles. Sample problems and applications are included for practice.
Math Is Fun
Math Is Fun: Perimeter
Students learn about perimeter. Notes, examples, and practice problems are included in the tutorial.
Math Aids
Math Aids: Geometry
Great resource to practice and strengthen math skills pertaining to Geometry. Math worksheets are printable, may be customized, and include answer keys.
That Quiz
That Quiz: Practice Test: Triangles
Test your knowledge on the attributes of triangles. There are eleven levels that may be completed with or without a timer.
CK-12 Foundation
Ck 12: Area and Perimeter of Similar Polygons
[Free Registration/Login Required] Students move points to make diagonals in order to solve for area and perimeter of polygons. Click challenge me to answer practice questions.
Cuemath
Cuemath: Right Angled Triangle
Explore and learn about the features and properties of a right triangle in this lesson. Includes examples and practice questions.
TeachEngineering
Teach Engineering: Robot Wheels!
Students solidify their understanding of the terms "circumference" and "rotation" through the use of LEGO MINDSTORMS NXT robotics components. They measure the circumference of robot wheels to determine how far the robot can travel during...
Khan Academy
Khan Academy: Area of Trapezoids
Practice finding the areas of trapezoids. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Areas of Shapes on Grids
In this exercise, students practice finding the areas of shapes on grids. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Area of Triangles
Practice finding the area of right, acute, and obtuse triangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Math Is Fun
Math Is Fun: Ellipse
Students learn about the ellipse. The tutorial consists of notes, examples, and practice problems to check for comprehension.
Khan Academy
Khan Academy: Area of Triangles
Demonstrates the logic behind the formula for the area of a triangle. Includes several practice problems and their explanations.
Khan Academy
Khan Academy: Finding Area by Multiplying
In this exercise, students practice finding area by multiplying. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Area and Circumference of Parts of Circles
In this exercise, students practice find the area and circumference, of parts of circles. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.