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Letter to parents.
This year in math class we are learning some new and interesting things that we didn't know last year. We learned about patterns, and how we can figure out how to solve them. After we mastered the trick, we moved on to figuring out how we can solve them with algebra. We used T to represent the term, and we used N to represent the term number. For example, if T was 5 and N was 2, the algebraic expression could be T = 2N + 1.
After algebra we moved on to exponents. Exponents are the little numbers above the bigger numbers used to represent a long multiplication sequences. For example, four to the sixth power would be the same thing as four times four times four times four times four times four. Exponents can also be used when solving a pattern.
When we were done with exponents we worked on this thing called probability. Probability is the chances that something will happen, on a scale of one to zero. One is certain that it will happen, zero is that it's impossible. All the in between is just that, the in between. For example, if I had a bag half filled with blue marbles, and half filled with green marbles that have purple polka-dots, the probability of picking a yellow marble are zero. The probability of picking a green with purple polka-dots or a blue marble is one. The probability of picking just a blue marble is ½.
Next we learned about the order of operations. The order of operations is the way to solve problems that have more than one operation. It goes like this; parenthesis, exponents, multiplication, division, addition, subtraction. An acronym you can use to remember this is PEMDAS. I prefer to say Please Excuse My Dear Aunt Sally.
Those are pretty much the most important things that we have learned this year in math class, but I'm sure we'll learn much more.
Article posted October 22, 2010 at 10:28 AM •
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