Chapter 2
Chapter 2 (p. 71)
Grade 6 Flashcards
The distance of a number from zero on a
number line; shown by | |.
absolute value
Chapter 2 (p. 94)
|5|  5
|5|  5
The opposite of a number.
additive inverse
Chapter 2 (p. 100)
The additive inverse of 5 is 5.
One of the numbers of an ordered pair
that locate a point on a coordinate
graph.
(3, 5)
coordinate
3 is a
coordinate.
Chapter 2 (p. 70)
5 is a
coordinate.
The set of whole numbers and their
opposites.
integers
. . . , 3, 2, 1, 0, 1, 2, 3, . . .
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Chapter 2
Grade 6 Flashcards
Chapter 2 (p. 109)
An equation whose solutions form a
straight line on a coordinate plane.
linear equation
y  2x  1
Chapter 2 (p. 70)
Two numbers that are an equal distance
from zero on a number line; also called
additive inverses.
5 and 5 are opposites.
opposites
5 units
5 units
�6 �5 �4 �3 �2 �1
Chapter 2 (p. 100)
0
1
2
3
4
5
6
The point where the x-axis and y-axis
intersect on the coordinate plane; (0, 0).
y
origin
x
O
Origin: (0, 0)
Chapter 2 (p. 100)
The x- and y-axes divide the coordinate
plane into four regions. Each region is
called a quadrant.
quadrant
Quadrant II
Quadrant I
O
Quadrant III Quadrant IV
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