Please watch the video to introduce the concept of dividing by grouping.  The worksheet is provided below if you wish to use this or there are practical activities as an alternative.

The first practical activity, using the table below, can be done by discussion or using counters or objects.

 

The second practical activity can be done using counters/objects or by drawing the 30 circles into the different sized groups.

Please have a look at the Word document if you would like some problem solving activities as an extra challenge.