How many different shapes with an area of 2 square units can you make by joining dots on this grid with straight lines?
By how much would the area of this triangle increase if its base was enlarged to 8cm?
Which of the two shapes has the largest area? You will be surprised!
The missing square puzzle is an optical illusion used to help students reason about geometrical figures.
Find the dimensions of a rectangle given the perimeter and area.
Calculate the areas of all the possible quadrilaterals that can be constructed by joining together dots on this grid.
Show that you know the area and perimeter formulas of basic shapes.
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.
Calculate the areas of the given triangles in this self marking quiz.
How many different shapes with an area of 2 square units can you make by joining dots on this grid with straight lines?
Divide the grid into rectangular pieces so that the area of each piece is the same as the number it contains.
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.
Find the matching pairs of diagrams and formulae for basic geometrical shapes.
Rows and columns of dots that can be joined using straight lines to create shapes.
Calculate the areas of all the possible quadrilaterals that can be constructed by joining together dots on this grid.
Questions about the scale factors of lengths, areas and volumes of similar shapes.
Work out the surface areas of common solid shapes in this collection of exercises.
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