Why do this problem?
While tackling this problem
, children will be applying knowledge of place value and developing a trial and improvement approach. This is an activity that looks very formidable, but, in reality, is not as difficult as it looks.
It can be done on a computer using the interactivity but can be done equally well on a classroom calculator.
How many zeros in a million?
Which buttons are you allowed to use?
Have you tried using $77$ and $777$?
How could you keep track of what you have done?
Can you find another way of doing it?
After they have found at least four ways of doing this, learners could try Two and two
or even the Stage 3 problem Arrange the digits
Suggest using a simple calculator and experimenting quietly to see what happens or doing this two digit activity