Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators.

Number Sense, Properties, and Operations

- Understand that equivalence is a foundation of mathematics represented in numbers, shapes, measures, expressions, and equations
Different models and representations can be used to compare fractional parts

Build fractions from unit fractions by applying understandings of operations on whole numbers.

Apply previous understandings of addition and subtraction to add and subtract fractions.