Opposite Math


Hot . . . Cold

Wet . . . Dry

New . . . Old

Open . . . Shut

Children can grasp the idea of opposites at a young age. If you take advantage of this concept when teaching math, it cuts your work in half!

Instead of teaching subtraction, teach “opposite addition”. If you know that 3 + 5 = 8, then you can do the opposite. When you see this problem: 8 – 5 =___, just make it into a backwards addition problem. Start at the opposite end (the back) and add this way: what number plus 5 equals 8 ?

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Memorizing the Times Tables

My grandson Isaac

My grandson Isaac


My 11-year-old boy is still trying to memorize his times tables. He’s finally gotten his 5’s and 9’s (and of course 0’s, 1’s and 2’s) but the rest seem to be hard for him. I’m wondering what we can do without spending much. [Read more…]

Times Tables Fun


Mastering the math facts is one of the journeys and victories of childhood. The sooner they are learned to the “automatic-response” stage, the better! All math that follows requires the basic addition and mulitiplication facts. One mathematics professor at the university said that most of the problems his Calculus students misssed on tests were due to math fact errors, not because they didn’t know the formulas!

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Mastering “Greater Than” and “Less Than”

Here is an easy way to teach your children how to remember the “greater than” and “less than” symbols in their Math lesson!


First, draw one of the symbols,  like this:

mastering greater than


Now, make that symbol into a big fish’s mouth like this:
mastering greater than


The fish has a BIG mouth that loves to eat the most he can get:  the largest numbers.  So the big, open part of the mouth always faces the largest number.
mastering greater than

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