Q: Besides using a calculator, is there any way children can check long columns of numbers they have added? A: Actually, there is a fairly easy way to do this. It goes by the names of "digital roots" ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hi, I'm Miss James. Thank you so much for being here today with me. For this lesson, all you will need ...

Let us talk a little bit more about Beejank or the digital root. This digital root, which reduces any given number to a single digit, is helpful for us to check all our calculations. We can check ...