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5th Academic Math

TN Academic Vocabulary

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