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Math surprises + eCards
infinity in your hand
infinity in your hand - v2
math shadow - infinity v3
where odd numbers hide
tables and chairs
random pairs line up
taking chances
parallel lines meet
2 + 2 is not always 4
making math waves
talk math to your computer
easy-to-learn math
Infinity in your hand!
HANDS-ON
Activity handout -
PDF
or
Word doc
RESOURCES
Classroom documentary
Interview with mathematician Graham Denham