Classifying Triangles by Angles and Sides
A video tutorial from PBS on how to classify triangles according to angle measurements and side lengths. It is likely to appeal to pupils because it is presented by a student.
Geoboard by Didax
You can create all sorts of 2D shapes with the bands on this Geoboard. There are two grids to choose from: circular and rectangular.
Sorting Shapes on a Venn Diagram
Sort a variety of 2D shapes on a Venn diagram. Sort by one or two conditions. The site works well on an interactive whiteboard.
Finding the Area of Compound Shapes
A good site on finding the area of a shape based on rectangles on a grid. Estimate first and then compare with the actual area of the shape. Good as an IWB demo tool for teaching how to apply the formula to compound shapes based on rectangles.
Sorting 3D Shapes on a Venn Diagram
An activity where you use a Venn diagram to sort a variety of 3D shapes according to their properties, including: whether they are pyramids or prisms, the number of faces, edges and vertices and whether they have a curved surface.
NASA Kids' Club
NASA provides a safe website for children to play as they learn about NASA and its missions. Content includes images, games and activities on space including all the Solar System and missions. Download free app too.
Caterpillar Ordering
A game for ordering and sequencing numbers. It has a wide range of levels including ordering the first five numbers, all the way up to 1000 and negative and decimals numbers. Sequencing levels include multiples and counting in steps up to 10.
Venn Diagram Shape Sorter
A good teacher demonstration tool for Venn diagrams especially when used on an interactive whiteboard.
Geometry Basics
These videos and activities on the basics if geometry explain what angles are and the difference between a triangle and a quadrilateral. Put your knowledge to the test.
Cube Nets
See if you can predict which of these nets form into a cube. Make your prediction and then watch the animation to see if you were right.
