Hi, what do you want to do?
PBS
Pbs Mathline: Bubble Mania Lesson Plan [Pdf]
Determine the area, diameter, and circumerfence of a bubble residue by creating a soap solution and blowing bubbles.
CK-12 Foundation
Ck 12: Elem Math: Identifying Rectangles Squares Circles and Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on identifying rectangles, squares, circles and triangles.
CK-12 Foundation
Ck 12: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on classifying rectangles, squares, circles and triangles.
Mr. Martini's Classroom
Mr. Martini's Classroom: Classifying Polygons and Finding Perimeters
Assess learning of polygons and perimeters with this interactive multiple choice practice and quiz activity. Click the question mark for hints.
CK-12 Foundation
Ck 12: Tessellations: Hexagon Tessellation
[Free Registration/Login Required] Students determine whether a hexagon can tessellate or not. Click challenge me to answer practice questions and click learn more to watch a video.
CK-12 Foundation
Ck 12: Tessellations: Tessellating Squares
[Free Registration/Login Required] Students determine if squares can tessellate. Click challenge me to answer practice questions and click learn more to watch a video.
CK-12 Foundation
Ck 12: Tessellations: Triangle Tessellation
[Free Registration/Login Required] Students will explore tessellations and whether a polygon can tessellate. Click challenge me to answer practice questions and click learn more to watch a video.
University of South Florida
Fcat: Reflection: Teacher Notes
Students use the coordinate plane to investigate how reflections affect geometric shapes. Can be used by the student, but is also a great lesson plan idea for teachers.
Illustrative Mathematics
Illustrative Mathematics: G Co Seven Circles Ii
In this task, seven pennies are placed in a circle so that they are all touching one in the center and their neighbors. Learners are asked to find as many rigid motions of the plane as they can which are symmetries of this configuration...
CK-12 Foundation
Ck 12: Elem Math: Completing the Whole Pictures
[Free Registration/Login may be required to access all resource tools.] Students watch a video and then attempt practice problems on how to complete a whole picture with some missing parts.
University of Texas at Austin
Mathematics Teks Toolkit: Exploring C/d= Pie
A collection of circular objects will be used to explore circumference and diameter of circles.
Other
Visnos: Polygons
Create regular and irregular polygons and determine the angles and side lengths with this interactive exercise. Use Safari or Chrome browser.
University of Cambridge
University of Cambridge: Maths and Sports: Sports Equipment
Sports such as hockey, football, basketball and tennis use balls of different sizes. Can you arrange a selection of different balls in a line each touching the next to make the shortest line? This activity offers opportunities for...
Alabama Learning Exchange
Alex: Thinking Outside the "Box"
The students will find the area of each two dimensional figure on a net of a rectangular prism. In groups, students will cut out the net and create a rectangular prism. Groups will then discuss how to find the lateral area and the total...
Alabama Learning Exchange
Alex: Discovering Pi
This lesson allows students to discover the number Pi. By measuring real life objects, students will get to see where the number Pi comes from as well as how the circumference formula is derived.This lesson plan was created as a result...
Cuemath
Cuemath: Midpoint Theorem
A comprehensive guide for learning all about plane shapes with definitions and solved examples.
Khan Academy
Khan Academy: Interpreting Scale Drawings
Students practice interpreting scale models, receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Algebra: Extend Numerical Patterns
[Free Registration/Login may be required to access all resource tools.] Extend numerical patterns by identifying and following rules
Oswego City School District
Regents Exam Prep Center: Area of Polygons and Circles
How would you find the area of a polygon or circle? Explore this concept with engaging activities at this test prep site. Here you will find detailed problem solving strategies with accompanying visuals, a reference table with formulas,...