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5th Grade Math Set #2 - Algebraic Reasoning TEK 5.4
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Key Concepts:
Terms in this set (19)
Input-Output Table
a problem in which 2 or 3 parts of a function (input, output & rule) are known, and the 3rd is to be found out.
Pattern
A list of numbers that follow a certain sequence.
Ordered Pairs
Two numbers written in a certain sequence.
Usually written in parentheses
Origin
The starting point.
On a number line it is 0
On a two-dimensional graph it is where the X axis and Y axis cross (0, 0)
Quadrant
Any of the 4 areas made when we divide up a plane by an x and y axis (as shown).
X-axis
The line on a graph that runs horizontally (left-right) through zero.
Y-axis
The line on a graph that runs vertically (up-down) through zero.
X-coordinate
The horizontal value in a pair of coordinates: how far along the point is. Always written first in an ordered pair of coordinates, such as the 12 in (12,5).
Y-coordinate
The vertical value in a pair of coordinates. How far up or down the point is. Always written second in an ordered pair of coordinates, such as the 5 in (12,5).
Parallel
lines that do not intersect
Additive Rule
A rule on a graph that shows a relationship of ADDITION (y= x + a)
Multiplicative Rule
A rule on a graph that shows a relationship of MULTIPLICATION (y= ax)
Perpendicular
two lines intersecting to form right angles
Prime Number
A number that has only one set of factors, 1 and itself (2 can only be the product of itself multiplied by 1).
Composite Number
A number that has more than one set of factors (6 can be the product of itself multiplied by 1 AND 2x3).
Perimeter
Distance around a figure (2l+2w or 4s)
Volume
The amount of space an object takes up (length x width x height or Bh)
Area
The inside of a two-dimensional shape; the space inside a place (length x width)
PEMDAS
Order of Operations used to solve equations
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