Number World Records  

Amal A. recited numbers 10 to 1 in 0.47 seconds with his eyes closed.

Amal A. recited numbers 100 to 1 in 22.71 seconds with his eyes closed.

Alex F. counted to 200 in increments of five in 16.90 seconds while doing a headstand.

Amal A. recited numbers 1 to 100 in 18.79 seconds with his eyes closed.

Amal A. added multiples of 7 up to 126 in 3.81 seconds with his eyes closed.

Mark Evans tossed eight pennies into a glass jar from 10 feet away in one minute.

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

Samson Z. wrote the numbers 1, 2, and 3 in Chinese characters in 1.06 seconds.

Viktor O. wrote the numbers 1, 2, and 3 in Chinese characters in 0.99 second.

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

Viktor O. pressed all 10 numbers on a phone five times using his thumbs in 9.73 seconds.

Samarth Bhagyesh Patel mentally solved 10 random math problems correctly involving four-digit addition and subtraction in one minute, 41.20 seconds. He is seven years old and a champion at an international math competition held in Australia.

Tai Star carved 66 digits of Pi into a pumpkin. He named the resulting Jack-o-Lantern "Pumpkin Pi."

Two-year-old Siddhu correctly solved the 2, 3, and 5 multiplication tables. He can also count from 1 to 1,000 and can add any two numbers between 1 to 100.

John Stanley clicked a tally counter 50 times in 5.20 seconds.

Brian Pankey wrote 151 numbers on a ping pong ball.