U.S. National Standards
N.1. Number and Operations (NCTM)
1.2. Understand meanings of operations and how they relate to one another.
1.2.1. Understand various meanings of multiplication and division.
1.2.3. Identify and use relationships between operations, such as division as the inverse of multiplication, to solve problems.
N.12. Connections to the Grade 5 Focal Points (NCTM)
12.1. Algebra: Students use patterns, models, and relationships as contexts for writing and solving simple equations and inequalities. They create graphs of simple equations. They explore prime and composite numbers and discover concepts related to the addition and subtraction of fractions as they use factors and multiples, including applications of common factors and common multiples. They develop an understanding of the order of operations and use it for all operations.