V.1 Counting people, sorting buttons: Classroom routines and materials
V.2 Counting quantities, comparing lengths: Counting and measurement 1
V.3 Make a shape, fill a hexagon: 2-D geometry
V.4 Collect, count, and measure: Counting and measurement 2
V.5 Build a block, build a wall: 3-D geometry
V.6 How many now?: Addition, subtraction, and the number system 1
V.7 How many noses, How many eyes?: Modeling with data
V.8 Ten frames and teen numbers: Addition, subtraction, and the number system 2
V.9 Implementing Investigations in Kindergarten
V.10 Investigations and the Common Core: Content Guide.
