home Interactive Shape Recognising
a1 a2 a3 a3
b1 b2 b3 b4
c1 c2 c3 c4
1 ks3 & ks4 Foundation
ks2 ks4 Higher
ks1 How many 4-sided shapes?
Please enable Java for an interactive construction (with Cinderella).
number of 4-sided shapes: under 10 11-15 16-20 21 or more