Thursday, 17 May 2018

The Four Triangle Problem


We cut squares of paper diagonally to make triangles.
We put them together in different ways:
 
Then we tried four triangles together. What shapes can we make?
We found all of these:

The bottom five were the hardest to find:
But we found them all!
We did a few other things too. Like a Which one doesn't belong?

Even more grids

What a fantastic selection of grids we've made!

This is a great activity for children to:
  • See that mathematics is creative;
  • Be inventive and think of their own way of doing things;
  • Follow a rule;
  • Arrange things carefully;
  • Get to know different patterns of skip-counting;
  • Show what they know.


We made lots more in class: