In This Issue
2013 Mathematics Game
Foldable Calendar Polyhedral Models
Math500.com
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2013 Mathematics Game
http://mathforum.org/yeargames/
Our annual arithmetic puzzle is back ... early!
The 2013 Year Game challenges students to write expressions for
each of the counting numbers 1 through 100, using the digits in
the year 2013, standard operations, and grouping symbols.
Come preview the rules, worksheet, and manipulatives for 2013
now before submitting your own solutions starting January 1st,
which we'll start displaying on February 1, 2013.

PoW taking place: math problemsolving moment of the week

"Funny thing is, I didn't make the equation before getting the
answers, which would have dramatically made it easier for me,
but I actually came up with it after I had arrived to my
solutions. Sometimes that is the best part of math, noticing
patterns after you have already solved the problem."

 Brianda, highlighted in the Geometry PoW's latest solution

http://mathforum.org/pows/solution.htm?publication=4156
Foldable Calendar Polyhedral Models
http://www.cleavebooks.co.uk/trol/trolqc.htm
Want a 2013 calendar to ring in the new year mathematically? Or
a timely manipulative to engage your geometry students? Or a
lastminute handmade gift for the geekwhohaseverything?
Download a polyhedron net and fold up your own
threedimensional, 365day calendar!
British publishers Cleave Books offer these 3D models
formatted to print out on standard 8.5" x 11" paper:

cones

rhombic prisms

triangular prisms

pentagonal antiprisms

tetrahedra

right pyramids

oblique pyramids

octahedra

rhombohedra

deltadodecahedra

triangular prisms

hexagonal prisms

tetrahedra

flexitetrahedra

Now taking place: math education conversation of the day

"The math teachers here at Arlington are working hard to
design courses that align with the new Common Core standards.
But I'm still left wondering what exactly should be in the
courses, which, unfortunately, is driven by what will be
assessed on the end of the year assessments. Does anyone else
feel like they are trying to read tea leaves on this one? With
the PARCC guidelines, specifically, I am interested in the
Table found on page 55, the Pathway Summary Table, that gives
(dot by dot) the standards that PARCC will assess on each of
their end of the year assessments for the three math courses.
I decided to distill all of this in the last few weeks into
three MS Word documents that are attached to this post...."

 Kirk, posted to the secondary (grades 912) discussion group
of the Association of Math Teachers of New York State

http://mathforum.org/kb/thread.jspa?threadID=2421820
Math500.com
http://www.math500.com/
Joe Cunningham recently launched a website of selfguided
problems as a revision tool to reinforce his students'
learning. Math500.com provides automated feedback based on the
strategy you select from among the multiple choices presented
at each step, or upon the intermediate calculation you enter.
Stepbystep worked examples provide additional support.
Choose from "chapters" on

whole numbers

fraction addition and subtraction

fraction multiplication and division

decimals

percentages

measurement (unit conversions)

integers

algebra, equations, factors

numerical skills

sets
Cunningham let us know about his site by suggesting it to the
Internet Math Library, which today boasts nearly 11,000 math
and math education websites. Share your own by visiting
http://mathforum.org/library/add.html


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