Rekenrek by mathies

9

The Rekenrek tool helps to build a deeper understanding of number concepts and relationships.

Mathematical Concepts:

Make visual models that help explore mathematical thinking related to:
• understanding number relationships using anchors of 5 and 10
• representing numbers in different ways, composing and decomposing numbers
• subitizing (instantly seeing “how many”)
• counting principles
• understanding addition and subtraction
• developing multiplicative thinking
• visualizing division facts

Features:

• Adjust the number of rows.
• Choose a background colour and bead colours.
• Drag the rods to compare values.
• Hide beads with one of the two resizable shades. Shades can be repositioned to focus attention.
• Communicate your thinking or highlight various features of your representation using the “pencil” button.
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4.3
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5
4
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2
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What's New

- updated and bundled SDK for security
- several new additions to the annotation tool (rulers, number lines, grids, hops and polygons)
- improved annotation functionality including the ability to copy and rotate all annotation objects
- minor bug fixes (deletion of imported images)
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Additional Information

Updated
December 5, 2018
Size
9.7M
Installs
5,000+
Current Version
1.3.1
Requires Android
4.0 and up
Content Rating
Everyone
Permissions
Offered By
OAME
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