numeracy and problem solving activities
 

can anyone please suggest any activities for 3-4 yr olds in problem solving and numeracy or anygood websites avaliable

Do you have access to a garden??? I have done several "treasure hunts" where I hid numbers around the garden and the children had to find them. Once we had several I put them out in order and asked which ones if any were missing. This covers several EYFS points.....
Recognising numbers.
Ordering numbers
You could have them gather leaves etc to match the amount to numbers

You could do this inside too and it works with shapes too.