7.NS.A.1.a
Describe situations in which opposite quantities combine to make 0. For example, a hydrogen atom has 0 charge because its two constituents are oppositely charged.
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
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