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# Math Vocabulary

### 5th grade vocab/terms

Term | Definition |
---|---|

Difference | The result or answer to a subtraction problem |

Product | The result or answer to a multiplication problem |

Quotient | The result or answer to a division problem |

Sum | The result or answer to an addition problem |

Factors | are multiplied together to get a product |

Multiples | can be evenly divided by a number |

Composite Number | a number with more than two factors |

Prime number | a number with exactly two factors |

Greatest Common Factor (GCF) | the highest factor that two numbers have in common |

Least Common Multiple (LCM) | The smallest multiple that two numbers have in common |

Prime Factorization (Number Tree) | a number, written as a product of its prime factors |

Improper Fraction | a fraction in which the numerator is larger than the denominator |

Mixed Number | the sum of a whole number and a fraction |

Reciprocal | A fraction where the numerator and denominator are interchanged. The product of a fraction and its reciprocal is always 1 |

Repeating Decimal | a decimal in which a number or a series of numbers continues on and on |

Acute Angle | An angle less than 90 degrees |

Congruent | Figures with the same shape and the same size |

Obtuse Angle | An angle measuring more than 90 degrees |

Right Angle | An angle measuring exactly 90 degrees |

Similar | Figures having the same shape, but different size |

Straight Angle | an angle measuring exactly 180 degrees |

Circumference | the distance around the outside of a circle |

Diameter | the widest distance across a circle. The diameter always passes through the center |

Radius | The distance from any point on the circle to the center. The radius is half of the diameter |

Quarilateral | square, 4 sides |

Pentagon | 5 sides |

Hexagon | 6 sides |

Heptagon | 7 sides |

Octagon | 8 sides |

Nonagon | 9 sides |

Decagon | 10 sides |

Polygon | a shape |

Equilateral | a triangle in which all three sides have the same length |

Isosceles | a triangle in which two sides have the same length |

Scalene | a triangle in which no sides are the same length |

Freezing Point | 0 degrees celsius or 32 degrees Fahrenheit |

Boiling Point | 100 degrees celsius or 212 degrees Fahrenheit |

tablespoon | 3 teaspoons |

pint | 2 cups |

quart | 2 pints |

gallon | 4 quarts |

pound | 16 ounces |

ton | 2000 pounds |

yard | 36 inches |

mile | 1760 yards/5280 feet |

meter | 100 centimeters/1000 millimeters |

proportion | a statement that two ratios or fractions are equal |

ratio | a comparison of two numbers by division; a ratio may look like a fraction |

Straight Angle | 180 degrees |

Inches in a Yard? | 36 inches |

Perimeter | Add the sides |

Area of Rectangle | length x width |

Volume or prism | length x width x height |

Area of a parallelogram | base x height |

Area of a triangle | 1/2 base times height |

Mode | number occurring most often |

Median | middle number |

Created by:
oberholzerfam