19 is only 1 away from 20, so you prefer to start by multiplying 20 times 5, which equals 100. Then we need to take away a squadron of 5, because there are actually only 19 squadrons, not 20. 100 take ...

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

Can your child reel off the multiplication tables? How about division? All kids have to learn their math facts. For some families, this memorization process is pure drudgery for parent and child.

The process of multiplying three numbers together is similar to the process of multiplying two numbers, but it has one extra step. First, you multiply two of the numbers, then you multiply the third ...

The method that we learn in school is a long multiplication method. But this method is very time consuming. SO let’s learn a much faster way to multiply a 2-digit number by 11. Step 1 - Write 3 and 6 ...