Maths is one of the easiest subjects to integrate ICT into particularly in the Junior School.
There does not need to be a whole lot of preparation or creating but you will need to spend time showing students how to perform certain tasks and this can be done as part of the lesson.
Most of the time the main tool buttons that are used are the stamp pencil and line button.
One of the first things I ask teachers is "What are you doing in Maths at the moment?" they tell me and we work out an activity from that. Here are some examples of activities.
How many sets of five
can you make with the
Patterning Copy these patterns and add to them
Matching 1-1 Find the stamps that have a pair and match them 1-1
Fractions Use the
tool to show the fractions
Make the number sentence and circle the set that is being 'taken away'
Here are some basic addition and Greater than Less than examples
In most of these examples you the teacher do not have to create anything apart from what the instruction is going to be. But don't expect the children to be able to just go and do it, you must model the activity first and this can be included into your instructional lesson.