Number Rack landing page

The Number Rack

The Number Rack, also known as a Rekenrek or Math Rack, is a manipulative used for elementary math. Bridges in Mathematics second edition incorporates this powerful learning tool in grades K-3.

Free Resources

Number Rack App

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Activity Book with CCSS Correlations

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Build your own

Materials Needed

1 piece of mat board, 6" x 3 "
2 black pipe cleaners
10 red beads
10 white beads
4 strips of tape


Along the short side of the mat board cut two small notches one inch from each edge. Thread five white beads followed by five red beads onto each pipe cleaner. Place each pipe cleaner onto the front of the matte board and fold the ends into the notches and around to the back. Secure pipe cleaner ends with tape.

New Kit Available from MLC

For your convenience, we also offer a kit with enough materials to make 10 student number racks. Learn more

Conference Giveaway

Stop by our booth at any conference and receive a free student number rack. View schedule

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Number Rack Demo to 20, Two Bars

Demonstration Number Rack | The Math Learning Center

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Book for Educators

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