Numbers

Represent and solve problems involving addition and subtraction.
Represent and solve problems involving addition and subtraction.
Understand and apply properties of operations and the relationship between addition and subtraction.
Add and subtract within 20.
Work with addition and subtraction equations.
Understand place value.
Use place value understanding and properties of operations to add and subtract.
Measure lengths indirectly and by iterating length units
Represent and interpret data.

Geometry

Reason with shapes and their attributes.