Add Integers (Sign Rules)

(D) Add, subtract, multiply, and divide integers fluently

(Y7) Compare, order, add and subtract integers (ACMNA280)

7.NS.1.B 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.

7.NS.1.D Apply properties of operations as strategies to add and subtract rational numbers.