7.NS.A.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.
Cluster 7.NS.AApply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
Part of 7.NS.A.1 — Adding & subtracting rationals
Teaching Kits for this standard
© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.