The Number Rack facilitates the natural development of children’s number sense. Rows of moveable, colored beads encourage learners to think in groups of fives and tens, helping them to explore and discover a variety of addition and subtraction strategies.
The Number Rack is featured extensively throughout Bridges in Mathematics in grades K–3. We’ve compiled aRead more
Number Pieces helps students develop a deeper understanding of place value while building their computational skills with multi-digit numbers. Young learners can represent multi-digit numbers, regroup, add, subtract, multiply, and divide. Number Pieces also gives them a drawing tool to label representations and show their understanding.Read more
On November 2nd combined downloads of the Geoboard and Number Rack apps from MLC exceeded 50,000, many from around the globe. In addition, thousands of users have accessed the web versions of these virtual manipulatives.