| Crossing the River (with a Wolf, a Goat, and a Cabbage) |
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| Math Cats' Photo of the Week |
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| Exactly... how old are you??? |
(Try the new version!!) (or old version...) |
| Elapsed Time Calculator |
"Hmmm...
How long is 1,000 years?" | 
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| OBBL Architecture Blocks |
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| Math Cats Balance |
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12 Math Games
at Math Cats! |
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| Old Egyptian Math Cats Fractions |
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| Tessellation Town on Tile Island |
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| Polygon Playground |
Explore symmetry, tessellations, and more! |
| Place Value Party |
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| Really Big Numbers!! |
(Try the new version:
no number is too big for the Math Cats!!!!!) |
| Bag of Mice |
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Math Cats
Writing Contest ~
Past writing topics
and best entries |
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| Virtual Mobile |
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The Math Cats
Visit a Geometric Sculptor |
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| Math-Loving Animals in the News |
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| Math Story Problems |
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Cat Tails
and Other Animal Stories |
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| Math Crafts make string art, polyhedra, hexagrams and more |
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| Fact Family Cards |
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| Interactive Multiplication Table |
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| Exploding Math Art |
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Encyclogram:
harmonograms, spirographs, and lissajous figures! |
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Lissajous Lab
a virtual oscilloscope! |
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| Warp the World |
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Weather Around the World
updated hourly |
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| Magic Squares with online movable tools |
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How much is it???
convert length, weight, and volume |
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| Number Stories |
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| Haunted Hill |
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| Human Body Geometry |
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| Start a Math Club |
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Coming Soon: |
* more math puzzles and projects! |
