Context sensitive help. A built in game aimed at encouraging accurate recognition, entry and use of the four operations. Take a look and see if this one meets your needs. Note plays with any of five available sounds. KKGames is free.
Students can design and print their own snowflakes.
I've done this project for the last 2 yrs. Individual class books make great gifts for families. This is good for children till they get the hang of it. Keep all this stuff in the same folder. The Snow Machine offers many more style options.