How many different shapes with an area of 2 square units can you make by joining dots on this grid with straight lines?
How many rectangles can you find in this pattern? Can you come up with a systematic method for counting them all?
How many triangles are hidden in the pattern? What strategy might you use to count them all to ensure you don't miss any out?
The missing square puzzle is an optical illusion used to help students reason about geometrical figures.
Calculate the areas of all the possible quadrilaterals that can be constructed by joining together dots on this grid.
Can you draw 4 straight lines, without taking your pencil off the paper, which pass through all 9 roses?
Understand and use the relationship between parallel lines and alternate and corresponding angles.
A short exercise to practise using the formulae for area and perimeter of a kite.
Many different ways to practise your skills finding the areas and perimeters of parallelograms.
Questions on the areas and perimeters of rectangles which will test your problem solving abilities.
An interactive workspace in which to make shapes using square tiles with given areas and perimeters.
Use your knowledge of rectangle areas to calculate the missing measurement of these composite diagrams.
Check that you can find the area of a trapezium and use the trapezium area formula for problem solving.
Find the areas of combined (composite) shapes made up of one or more simple polygons and circles.
Practise using pi to calculate various circle measurements. There are six levels of difficulty.
Test your understanding of the criteria for congruence of triangles with this self-marking quiz.
Create your own dynamic geometrical diagrams using this truly amazing tool from GeoGebra.
A self marking step by step approach to calculating the number of triangles in a design.
Create curves with straight lines using this online alternative to needle and thread.
Don't let your brain be fooled by these geometric optical illusions in this online quiz.
The Transum version of the Top Trumps game played online with the properties of polygons.
A mixture of problems related to calculating the interior and exterior angles of polygons.
Barbara Bug walks around a regular hexagon turning through each of the exterior angles as she goes.
Calculate the areas of all the possible quadrilaterals that can be constructed by joining together dots on this grid.
A series of tangram challenges in increasing order of difficulty. This page is designed to be projected onto a screen for a whole class to see.
Use the pieces of the tangram puzzle to make the basic shapes then complete the table showing which shapes are possible.
A game, a puzzle and a challenge involving counters being placed at the corners of a square on a grid.
Pupils are not allowed to use their hands to point but must describe fully any shapes they can see in this picture.
Can you draw these diagrams without lifting your pencil from the paper? This is an interactive version of the traditional puzzle.
A hands on activity requiring students to arrange Christmas ornaments in a square box.
A game to determine the mathematical item by asking questions that can only be answered yes or no.
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