• Visit the MLC Main SiteMLC
    • Your shopping cart is empty.

Demonstration Number Rack

  • SKU:  RR18200
  • Grade Level: K-3
  • $36.00
Shipping orders outside of US

Teachers tool to demonstrate addition and subtraction up to 20. Wood frame 82 cm long with 20 large wood beads 3 cm in diameter and built-in white board 35 x 14 cm.

For more resources including how to build your own student Number Racks for classroom use click here.

Please see Safety Warning 2.

Free Number Rack App

Number Rack App

 

The Number Rack app 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.

Available for Apple and Chrome devices, as well as for the web.

Open Web App

Download to Your Device

 

Learning to Think Mahematically with the Rekenrek

Learning to Think Mahematically with the Rekenrek

 

This book provides teachers with the theoretical basis, practical knowledge, and expertise to use a powerful mathematical tool called the Rekenrek (also known as the Arithmetic Rack). This book helps children recognize number combinations of five and ten, develop a rich sense of numbers between 0 and 20, and build a powerful set of intuitive strategies for addition and subtraction of both single and double digit numbers.

Download English PDF

Download Spanish PDF

 

Learning to Think Mathematically with the Rekenrek—Supplemental Activities

Learning to Think Mathematically with the Rekenrek—Supplemental Activities

 

This compilation of student-ready activities builds upon the contexts and learning objectives in Learning to Think Mathematically with the Rekenrek. Students solve imaginable, accessible problems motivating the key mathematical principles accessed through the rekenrek model, including cardinality, one-to-one-relationships, part-part-whole relationships, and subitizing.

Download PDF

 

Using the Rekenrek as a Visual Model for Strategic Reasoning in Mathematics

Using the Rekenrek as a Visual Model for Strategic Reasoning in Mathematics

 

Ten activities along with an introduction to using the Rekenrek or Number Rack. Includes correlations to the Common Core State Standards.

Download PDF

 

Item
Price

No additional information available.