These strips are a hands on way of helping children to catch on  to the  methods of multiplication and division, there are five different ones in each pack, and they can be  written on with whiteboard markers.

                     Actual size of strips are 27.70 cm  x 1.90 cm. 

The number of objects on each strip  vary with there being 18, 21, 30, 33, & 40 on the five different strips.

These circles can be written on with whiteboard markers, showing that 4 groups of three is 12, as an example.