

One and itself.Īll of these numbers can only be multiplied by 1 and itselfĬomposite Numbers - A composite number has 3 or more factors. Prime numbers - A prime number has only 2 factors. Here are some definitions you need to know. Part of understanding math is to understand the terminology that mathematicans use to describe numbers. (insulin - for diabetics, Terry Fox - has raised money for cancer research).

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The left over is the number I put over the the denominator 4 so that it shows I have a whole plus 1/4 quarter.Īnother way of converting improper fractions to mixed fractions is by drawing a model. The denominator only goes into the numerator 1 time and I have 1 left over. I can divide the denominator by the numerator.

I can convert an improper fraction into a mixed fraction 3 ways: We can convert a improper fraction to a mixed fraction, because it makes it easier to know how many wholes there are. Mixed fractions are fractions that are a combination of a whole number and a fraction. In this case there is one whole and 1 part left over. The numerator tells us how many parts there are. Just like proper fractions the denominator tells us how many parts are needed to make up the whole We know this fraction is an improper fraction because the numerator is 5 and the denominator is 4. We know they are improper when the numerator is greater than the denominator. Improper fractions are fractions that are greater than 1. In this case it is difficult to determine which fraction is greater so we need to draw a model to decide which one is bigger. It also means that 4/5 is closer to 1 than th 3/5 is.Ĭomparing Fractions with unlike denominatorsġ. In this case the 4 is greater than the 3 so 4/5 is greater. To compare these we simply look at the numerators and determine which one is greater. The denominators are the same meaning the size of the parts are the same. The second one is more challenging.Ĭomparing Fractions with like denominators Or with unlike denominators (denominators are different). We can compare fractions in two ways with like denominators (denominators are the same) We may want to determine if a fraction is greater than 1. We may have several fractions and want to put the fractions on a number line. We may have two fractions and we want to determine which one is bigger. We compare fractions to determine which one is greater or which one is less.
