Why do this
encourages children to work together and will
require some visualisation. It is a good context in which to focus
on working systematically and justifying results.
It might be convenient to print off this board and tetromino
for pupils to use. This sheet
copies of the other four tetrominoes which may be useful once
children have discovered them for themselves. It will be helpful
for squared paper to be available too.
Which way up could that one be fitted in?
Do you need to fill the whole board to be sure?
How else could you arrange four squares to make a different
Are you sure you have found all the tetrominoes? How do you
Have you tried fitting this tetromino on the board?
Learners will have their own ideas for further investigation, for
example looking at differently sized grids, or using
Using the sheets
interactivity) will help all children access this problem.