'There Were Five in the Bed' - I use five little people on a book, and roll them over and off the book as we sing the verses. The boys think it's very funny when one falls off.
'Farmer in the Dell' - I put together a man, woman, baby, nurse, and a dog in a little circle. They do a little dance together as the group gets bigger and bigger. The boys think it's great!
'Five Currant Buns in a Baker's Shop' - I use anything for buns, even Lego! Actually, the visual subtraction is an excellent method to teach maths.