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…]

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