In this video, I explain how to perform two-digit operations quickly using mental strategies. We'll cover **addition**, ...

You probably haven’t had to do longhand math in years, but you do mental math every day. Or maybe you google math problems ten times a day, because you’ve forgotten how to do any math beyond your ...

A simple finger trick for the 11 times table is helping secondary school students aged 12 to 16 improve mental arithmetic skills. By separating two-digit numbers, adding the digits, and inserting the ...

Adding some large numbers and aren't sure if you have the right answer? Here's an easy way to find out. Math can be tricky sometimes. Let's say you're adding several large numbers together, and you ...