Copyright © University of Cambridge. All rights reserved.
'Shapes in a Grid' printed from http://nrich.maths.org/
Can you find which shapes you need to put into the grid to make the
totals at the end of each row and the bottom of each column?
The shapes stand for four different numbers less than ten.
You might like to try using this interactivity.
Full screen version
This text is usually replaced by the Flash movie.