I think you could also have multiple pipe cleaners coming from one number and students have to show multiple ways to add numbers to get to that number. Counting with pipe cleaners and beads. Great for fine motor development too.

Place value game where students roll the dice to make the base 10 block numbers then write how many tens, ones, and the number. Relates to the standard of place value and where each number belongs within a large number.

Multiplication Wheels Interactive Fun for Times Tables Más

Number knowledge grid for multiplication. Free and printable from Classroom Treasures.

Check out these fantastic hands on math centers and worksheets for extra practice.