Students will count a number of objects, then identify the remaining amount when one is taken away. Students are introduced to 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
G. Pretest: 2-D shapes and types of lines