In a spectacular display of mental prowess, Aaryan Shukla, a brilliant student of Delhi Public School (DPS) Nashik, has been ...
Three animated characters perform a barbershop song about place value. They explain that each digit in a number has a value 10 times greater than the number on its right. Children could stand at the ...
Here is an old party trick in which playing cards magically reveal the result of a multiplication exercise. What is the secret behind it?