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What is Rekenrek?
 

Use the Rekenrek to build understanding of whole numbers, number relationships, and strategic reasoning for counting, addition, subtraction and multiplication. Relate numbers to the anchors of 5 and 10. Use the annotation tools and imported images to communicate solutions.

Additional features (v 1.2.0 April 2017): 

  • switch between English and French

  • annotation objects can now be copied like imported images

 


Video (Exploring the Basic Functionality)

Video (Strategies to be used with Grade 2)

What is Money ?
 

Represent various amounts using realistic images of Canadian coins and bills. Customize the money tray, drag money singly or in multiples of 2, 5, and 10, and annotate work. 

Additional features (v 2.1.3 June 2016): 

  • import multiple images; position and resize them

  • improvements to annotation

  • switch between English and French

Video (Exploring the Basic Functionality)

Video

What is Fraction Strips ?
 

Represent fractions by dragging pieces from the fraction tower into the workspace. Pieces can be placed in a line to form a train. Manipulate the pieces and trains to compare and order fractions or to model fraction operations.

Additional features (v 0.8.0 May 2017): 

  • available for mobile devices

  • includes annotation and image tools

  • pieces snap to align; create vertical comparison bars

  • pan and zoom the workspace

  • move and resize the tower

  • save work to a file and open from a file

With Notepad, you can write solutions, sketch diagrams, create graphs and record your mathematical thinking. Use one of four backgrounds: grid, isometric dot, lined or blank.
 

Additional features (v 1.1.4 February 2017): 

  • improvements to French localization

  • annotation objects can now be copied like imported images

  • usability improvements

Video

Video

New

Represent, compare, order and operate on whole numbers and integers using vectors, hops, magnitude bars, number ribbons or points on the number line. This dynamic tool makes it easy to zoom in, pan and switch between horizontal and vertical number lines.

New

Represent, compare, order and operate on whole numbers and integers using vectors, hops, magnitude bars, number ribbons or points on the number line. This dynamic tool makes it easy to zoom in, pan and switch between horizontal and vertical number lines.

New

Explore the Pattern Rule, Algebraic, Pictorial, Story and Graphical Representations of a linear growing pattern. Make a change to one representation and see how this change affects the other representations.

Video

Video

Video

New

Represent, compare and operate on fractions using a volume model. Fill containers to represent fractions. Pour the contents to model various operations.

Video

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