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Dictionary
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- natural numbers
- One of the counting numbers, i.e. 1, 2, 3, 4...
In graphing, numbers to the right of zero (cf
Integer Discussion).
- negative numbers
- Numbers less than zero. In graphing, numbers to the left of zero. Negative numbers
are represented by placing a minus sign (-) in front of the number (cf From Graphs to Machines and Back Discussion).
- normal distribution
- Also called "bell curve," the normal distribution is the curved shape of
a graph that is highest in the middle and lowest on the sides (cf The Normal Distribution Discussion).
- numerator
- The number above the fraction bar that indicates the
number of parts of the whole there are in a rational number.(cfFractions
Discussion, Adding and
Subtracting Fractions Discussion, Multiplying
and Dividing Fractions Discussion, Comparing Fractions
Discussion, Percents
Discussions).
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