A STRATEGY FOR LEARNING THE 4 TIMES TABLES

Some students find learning the multiplication tables tricky.  The strategy of learning that the four times table is double the two times table i.e. double, double has supported students that I tutor. 
so 4 x4 can thought of as double 4 and double again .

4 x 4 
4 x 2 = 8 x 2 = 16

This strategy can also be used to learn the 6 times table to by doubling the threes.  so 6 x 6 can thought of as 6 x 3 and then double

6 x 6
3 x 6 = 18 x 2 = 36


It can even be used to learn the eight times tables by double, double, double.   

4 x 8 =
4 x 2 = 8 
8 x 2 = 16
16 x 2 = 32

 I frequently return to this strategy with students and use a variety of templates to practice with them.  This double, double flower has been popular.