Grade 7 - The Number System
Standard 7.NS.A.1b - Solve absolute value and opposite integer expressions with rational numbers.
Included Skills: Number Properties
Understand p + q as the number located a distance |q| from p, in the positive or negative direction depending on whether q is positive or negative. Show that a number and its opposite have a sum of 0 (are additive inverses). Interpret sums of rational numbers by describing real-world contexts.