Suggested (on blog) to use hard hats and to store base ten blocks in dump trucks - great block center or housekeeping/dramatic play center idea! A Differentiated Kindergarten: Base 10 blocks self-checking Freebie. Recommended by Charlotte's Clips
Math Facts Baseball (An Awesome Way to Practice Math
Subtraction Lego Game - The Kindergarten ConnectionThis game is best played with a partner, although you could play it with a small group of students too, as the object of the game is to see who can lose all of their bricks first!