Students will count the number of objects in a set, then take one away to find one less. Students will then solve several problems with hidden objects
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
F. Exit ticket: 1 more and 1 less with numbers up to 10
G. Pretest: 2-D shapes and types of lines