The four sets of 24 Plastic Dominoes come boxed together and are colour coded for ease of sorting

Set 1 Complementary angles total 90 degrees - Black and Purple
Set 2 Supplementary angles totol 180 degrees - Black and Green
Set 3 Angles and triangles - 180 degrees - Black and Blue
Set 4 Angles and quadrilaterals - 360 degrees - Black and Red

Working through the sets will give practise in angle recognition and calculation. Children may need to use calculators when playing Set 4.