We got a wonderful assortment of mini erasers from Oriental
Trading and have been using them for all kinds of math and sorting activities.
Below LD did skip counting by 3s (http://filefolderfun.com/FirstGradeMath.html)
and grouped three items below each wagon. I asked him
how many items there would be with 4 groups of 3 (12) and
DD did some general counting (pictured below) while ED,
the toddler, just put the erasers and numbers into the