AAA Math
Aaa Math: Counting by Fives
This lesson is about counting by fives from AAAmath.com. There are separate sections for learning, practice, playing a game, and exploring more about skip counting.
abcteach
Abcteach: Basic Math Addition Activities
[Free Registration/Login Required] A collection of teacher created activities that focus on basic addition practice. Includes frog counters that can be printed and laminated, a dot-to-dot activity, and ready-to-use math worksheets that...
Other
The Math Learning Center: Number Rack
Number rack facilitates the natural development of children's number sense. The movable, colored beads encourage learners to think in groups of fives and tens, helping them to explore and discover a variety of addition and subtraction...