Number Sense

Test your number sense with these tools, and improve it with these games:

(1) Johns Hopkins University: Test of Number Sense (Flash required)

Articles: NYT (2008) Gut Instinct's Surprising Role in Math

NATURE (10/2/08). Individual differences in non-verbal number acuity

correlate with maths achievement

National Academy of Sciences USA. (4/30/12): Number Sense Across the Lifespan...

Meet the Number Sense researchers at Johns Hopkins University

(2) Panamath. Test of Number Sense

Podcast: NATURE magazine Podcast with Justin Halberda (Sept, 11, 2008)

(3) Number Sense

Articles: Scientific American (1/9/13). Numbers Games Devised to Aid People with "Dyscalculia"

THE NEW YORKER (3/3/08). Numbers Guy. Are our brains wired for math?

Discover Magazine (July/Aug. 2013). How can a smart kid be so bad at math?

Smithsonian Magazine (1/11/13) Dyscalculia, Like Dyslexia for Numbers,

Could Explain Why you Suck at Math

(4) Developing Number Sense: Games that help.