Number Rack, by The Math Learning Center is a free software application from the Kids subcategory, part of the Education category.
The app is currently available in English and it was last updated on 2012-02-06. The program can be installed on iOS.
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 strategies.
This virtual version of the manipulative is an open-ended educational tool, ideal for elementary classrooms and other learning environments that use iPod Touches, iPhones, or iPads.
Display 1 to 5 rows of beads, 10 beads per row. On the iPad, display up to 10 rows.
Hide beads with the resizable shade, which allows teachers or learners to model subtraction or difference problems.
Reverse the colors of rows 6 to 10 to distinguish (or not) groupings of 25 beads.
Use the drawing tools to annotate work and show understanding
Write equations and expressions with the text tool.
For more Number Rack resources, a web version of Number Rack, and other apps, visit:www.mathlearningcenter.org/apps
To learn about Bridges in Mathematics, an elementary curriculum that employs visual models such as the number rack, please visit: www.mathlearningcenter.org/bridges/overview
This app is brought to you by The Math Learning Center, a nonprofit organization dedicated to K-12 math education since 1976. Visit us at: www.mathlearningcenter.org
The Number Rack app was made possible by a generous donation from Dr. David Moursund.
This app was crafted by Clarity Innovations. We help improve teaching and learning by creating solutions that match promising technologies with the needs of education. Visit us at: www.clarity-innovations.com
Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.
Number Rack, by The Math Learning Center (version 2.2.2) has a file size of 9.33 MB and is available for download from our website.
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