It turns out, your school teacher was right. You need math on a regular basis. While most people won't typically have need of orthogonal trajectories, here are some of the most vital math shortcuts ...

Some readers may solve the problem procedurally: line up the two numbers, add the ones column, carry the one, and add the tens to get 43. Others might instead notice a creative shortcut: 29 + 14 is ...

Add Yahoo as a preferred source to see more of our stories on Google. Math shouldn’t be harder than finding the last matching sock in your laundry. These clever shortcuts convert head-scratching ...

Anand Mahindra shared a math trick that impressed Shah Rukh Khan. Anand Mahindra reached into his famous 'WhatsApp Wonder Box' yet again - this time to share a clever multiplication hack with his 7 ...

Every time Andy publishes a story, you’ll get an alert straight to your inbox! Enter your email By clicking “Sign up”, you agree to receive emails from Business ...

The Hechinger Report covers one topic: education. Sign up for our newsletters to have stories delivered to your inbox. Consider becoming a member to support our nonprofit journalism. Think back to ...

Anand Mahindra's tweet has a short video clip, wherein a school teacher describes a clever shortcut to multiply various numbers by nine -- to be more precise, a hack to remember the table of nine.