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 Math Glossary A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Decagon - A polygon/shape that has ten angles and ten straight lines. Decimal - A real number on the base ten standard numbering system. Denominator - The denominator is the bottom number of a fraction. (Numerator is the top number) The Denominator is the total number of parts. Degree - The unit of an angle, angles are measured in degrees shown by the degree symbol: ° Diagonal - A line segment that connects two vertices in a polygon. Diameterl - A chord that passes through the center of a circle. Also the length of a line that cuts the shape in half. Difference - The difference is what is found when one number is subtracted from another. Finding the difference in a number requires the use of subtraction. Digit - Digits are making reference to numerals. 176 is a 3 digit number. Dividend - The numer that is being divided. The number found inside the bracket. Divisor - The number that is doing the dividing. The number found outside of the division bracket.

Deb Russell
Mathematics Guide

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