Here is an enjoyable addition game that can be played indoors (drawn on the carpet
with chalk) or outdoors in the playground. The aim of the game is to
encourage 'automacy' in the recall of the basic addition facts of 'doubles
In my classrooms
I do a lot of work on the need for efficiency in doing mental computations.
We aim for, 'SEE IT, SAY IT'. This
game offers heaps of opportunity to discuss 'efficient' addition strategies.
It also demonstrates that those who use efficient strategies will do
better at the game.
will need to discuss, demonstrate and reinforce the different strategies
of doubling one number and either adding one or subtracting one. The
students need to work out which strategy works best for them i.e. 9+8
could be solved 9+9-1 or 8+8+1.