2.OA
Represent and solve problems involving addition and subtraction.
Add and subtract within 20.
Work with equal groups of objects to gain foundations for multiplication.
2.NBT
Understand place value.
Use place value understanding and properties of operations to add and subtract.
2.MD
Measure and estimate lengths in standard units.
Relate addition and subtraction to length.
Work with time and money.
Represent and interpret data.
2.G
Reason with shapes and their attributes.