In this video, I explain how to perform two-digit operations quickly using mental strategies. We'll cover **addition**, **subtraction**, and **multiplication** by breaking down numbers into their tens ...

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 ...

Mental math shortcuts turn intimidating calculations into instant answers without reaching for your calculator. Math shouldn’t be harder than finding the last matching sock in your laundry. These ...