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Quadrilaterals are shapes that have four straight sides.
Consider a circle with eight evenly-spaced dots round it.
How many DIFFERENT quadrilaterals can be made by joining the dots on the circle?
Can you work out the angles of all your quadrilaterals?
You might like to try using this interactive to record your ideas:
For a printable set of dotted circles to use with this resource click here.
Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?
Cut a square of paper into three pieces as shown. Now,can you use the 3 pieces to make a large triangle, a parallelogram and the square again?
How many rectangles can you find in this shape? Which ones are differently sized and which are 'similar'?