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# "_6.1.1-4"

### "6th Grade MathThematics Module 1. Sections 1-4 Collective"

rule an explanation of how to create or extend a pattern
sequence an ordered list of numbers or objects
term of a sequence an individual number or object in a sequence
term number indicates the order or position of a term in a sequence
general rule a rule that tells you how to find any term in a sequence
point a specific location in space
line a straight arrangement of points that extends forever in opposite directions
segment two points on a line and all points between them
ray a part of a line that starts at a point and extends forever in one direction
equilateral triangle a triangle with three sides of equal length
isosceles triangle a triangle with two or more sides of equal length
scalene triangle a triangle with no sides of equal length
angle a figure formed by two rays that have a common endpoint
vertex a point where three or more edges meet
right angle an angle with a measure of 90 degrees
obtuse angle an angle with a measure greater than 90 degrees but less than 180 degrees
straight angle an angle with a measure of 180 degrees
acute triangle an angle with a measure greater than 0 degrees but less than 90 degrees
right triangle a triangle that has one right angle
obtuse triangle a triangle with one obtuse angle
estimate an answer that is not exact
round to approximate a number to a given place. For example 28 rounded to the nearest ten is 30
compatible numbers numbers that have sums, products, or quotients that are easy to find and compute
expression a mathematical sentence that can contain numbers, variables, and operation symbols
order of operations the order to follow when performing operations: simplify inside parenthesis, multiply or divide left to right, and finally add or subtract left to right. PEMDAS
Created by: MicahS