Math World Records  

Amal A. recited the first 150 digits of Pi from memory in 13.34 seconds.

Amal A. recited the first 250 digits of Pi with his eyes closed in 22.35 seconds.

Krishin P. recited the first 50 digits of Pi from memory in 4.23 seconds.

Courtney C. solved 20X Calculations in Brain Training in 10.00 seconds.

Praveen Spirals subtracted two 70-digit numbers in 55.31 seconds using only his memory.

Praveen Spirals subtracted two 80-digit numbers in one minute, 15.80 seconds using only his memory.

VTKlustrum wrote a Pythagorean theorem on sand measuring nine meters at its base.

Ryerson Lehman-Borer solved 20 addition problems while sitting on 25 yearbooks.

Alex C. carved 128 digits of Pi into an apple.

In celebration of Pi Day, listeners of The Brian Lehrer Show on WNYC set a record by collectively reciting 100 consecutive digits of Pi. After host Lehrer preceded the attempt by reciting the first 11 digits, five callers each read off 20 digits of Pi in mathematical order.

Jake F. recited 81 digits of Pi during a single spin of a dreidel while blindfolded. He set the record to celebrate Pi Day.

Amal Aby wrote 30 digits of Pi on a sheet of paper in 10 seconds.

Jacob C. stacked 44 math books in one minute.

Amal Aby recited 139 math squares in one minute with his eyes closed.

Srinivasa Hariharan Iyer recited 12 multiplication tables. He is five years old.

Sriram recited 15 multiplication tables while blindfolded. He is four years old.