Units of Study: Unit 1: Counting People, Sorting Buttons (Classroom Routines and Materials) Unit 2: Counting Quantities, Comparing Lengths (Counting and Measuring 1) Unit 3: Make a Shape, Fill a Hexagon (2-D Geometry) Unit 4: Collect, Count, and Measure (Counting and Measurement 2) Unit. 5: Build a Block, Build a Wall (3-D Geometry) Unit 6: How Many Now? (Addition, Subtraction, and the Number System 1) Unit 7: How Many Noses? How Many Eyes? (Modeling with Data) Unit 8: Ten Frames and Teen Numbers (Addition, Subtractions and the Number System 2)