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.

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 ...

understand that the area of a rectangle is the result of a multiplication partition (break apart) a number using your understanding of place value recall times-tables up to 9 x 9 and multiply by ...