CCSS- Common CoreState Standards
Operations and Algebraic Thinking 1.OA
Represent and solve problemsinvolving addition and subtraction.
Understand and apply propertiesof operations and the relationship
between addition andsubtraction.
Add and subtract within 20.
Work with addition andsubtraction equations.
Number and Operations in Base Ten 1.NBT
Extend thecounting sequence.
Understand place value.
Use place valueunderstanding and properties of operations to add and subtract.
Measurement and Data 1.MD
Measure lengths indirectly andby iterating length units.
Tell and write time.
Represent andinterpret data.
Reason with shapes and their attributes.