Operations and Algebraic Thinking: represent and solve problems involving addition and subtraction.
Work with equal groups of objects to gain foundations for multiplication.
Number and Operations in base ten: understand place value.
Use place value understanding and properties of operations to add and subtract.
Measurement and Data: Measure and estimate lengths in standard units.
Relate addition and subtraction to length.
Work with time and money.
Represent and Interpret Data.
Geometry: Reason with Shapes and their attributes.