In the pretest, students identify triangles and rectangles from a set of shapes. They also sort 2-D shapes and types of lines by their attributes
A. Count and explore the concept of one less
B. Explore the concept of one less with cube models
C. Explore the concept of one less with base-10 block models
D. Explore the concept of one less on a number path
E. Explore the concept of one less using real-world objects
F. Exit ticket: 1 more and 1 less with numbers up to 10