Is the following number an integer?
$+19$+19
No
Yes
$-7$−7
$\frac{5}{8}$58
Consider the number $\frac{9}{3}$93.
Use positive and negative numbers to represent quantities.
Locate a rational number as a point on the number line.
Locate rational numbers on a horizontal or vertical number line.
Understand that a number and its opposite (additive inverse) are located on opposite sides of zero on the number line.
Solve problems by graphing points in all four quadrants of the Cartesian coordinate plane.
Understand signs of numbers in ordered pairs as indicating locations in quadrants of the Cartesian coordinate plane.
Recognize that when two ordered pairs differ only by signs, the locations of the points are related by reflections across one or both axes.