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# 5th Academic Math

### TN Academic Vocabulary

Question | Answer |
---|---|

algorithm | a step-by-step method or strategy for solving a math problem |

categorical data | data which is sorted into categories |

convex polygon | polygon that has all convex angles (pushes out) and has no indentations |

data collection | methods questionnaires, surveys, observations, interviews, etc. |

divisibility | The ability for a number to be divided by another number without a remainder |

edge | the line segment where two faces of a solid figure meet |

exponent | a number that tells how many times the base number is to be used as a factor |

exponential notation | A way of writing numbers using exponents |

formula | equations with symbols for math operations. Example - A = l x w |

inequality | A statement that compares two quantities using <, >, ≤,≥, or ≠ |

irregular | A polygon which has at least two side with different lengths. |

justify | defend or explain an answer |

line graph | a graph that uses line segments to show changes that occur over time |

model | representation of something (sometimes on a smaller scale) |

natural numbers | all the counting numbers, does not include zero (1, 2, 3, 4...) |

numerical data | data consisting of numbers, not categories, such as the heights of students. |

order of operations | the order in which operations in an expression to be evaluated are carried out. 1. parentheses 2. exponents 3. multiplication and division 4. addition and subtraction - PEMDAS |

outlier | A value that is much higher or much lower than the other values in a set of data. |

parallelogram | a quadrilateral with 2 pairs of parallel sides |

polyhedral solid | a solid figure made of faces that are polygons |

prism | a polyhedron that has two congruent, polygon shaped bases and other faces that are all rectangles |

rational numbers | any number that can be written as a fraction |

Platonic solid | the five regular polyhedra: tetrahedron, hexahedron, octahedron, dodecahedron, and icosahedron - all faces are congruent |

remainder | the number left over when division is completed. |

round | To give an approximation for a number to a given place value such as tens, hundredths, etc. |

significant digits | a measurement consisting of all the digits known with certainty plus one final digit |

solution | the answer to a problem |

substitution property | if a=b, then a can be substituted for b in any expression |

surface area | The total area of the 2-dimensional surfaces that make up a 3-dimensional object. |

terminating decimal | a decimal whose digits end |

truncate | to shorten a number without rounding |

undefined | an expression which does not have a meaning or cannot be assigned a value |

variable | a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity |

view | a way of visualizing a solid from the top, side, and front. |

volume | length x width x height - the amount of space an object occupies |

Created by:
slt124