**1st Grade Units (Based upon Oregon Common Core Standards for Mathematics):**

Operations and Algebraic Thinking

- 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.
- Tic Math Toe – Game
- Shot Clock – Game
- Spot Kicker – Game

- Work within addition and subtraction equations.

Number and Operations in Base Ten

- Extend the counting sequence.
- Understand place value.
- Use place value understanding and properties of operations to add and subtract.

Measurement and Data

- Measure lengths indirectly and by iterating length units.
- Tell and write the time.
- Telling Time – Anchor Chart
- Time Teller – Game

- Represent and interpret data.

Geometry

- Reason with shapes and their attributes.