PDL's The Exchange Game A Game of Mathematical Notation For Cuisenaire Rods

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Grade Levels
1st - 2nd, Homeschool
Formats Included
  • PDF
6 pages
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Each student uses Cuisenaire Rods to build a specific template design like a staircase or to fill up a Number Building Play Mat. To encourage students to be more creative in the creation of their equations, use the score sheet.   Once everyone completes the template, tally up the points. The ones who have the most points wins.

Each student take turns requesting a rod from another student's bank that they need to complete their template design.  The student makes the request using mathematical notations that they write on a scrap paper.

The student must only use the rods in their own bank to create the equation.   For example, the student has only red and black rods in their bank and needs a purple rod.  The student could build and write the following equations: 2r =p or r + r = p or 6/7 of k - 2/7 of k = p.    The student could also ask for 2 purple rods if their template design calls for it, too.

They must hand the rods needed to build the equation with the written mathematical notation to the banker with the desired rod.  The banker must build the notation to verify the request is valid and equals the desired rod.  If the equation is not valid, then the student does not receive the desired rod and the next player goes.  This teaches the importance of writing correct notations.

As the student learns and practices notations, their notations will become more sophisticated.   The score sheet is designed to encourage more sophisticated notations by rewarding them with more points for using fractions, parentheses, multiplication and so on in their equations.

Total Pages
6 pages
Answer Key
Teaching Duration
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