This lesson plan is for teaching ordinal numbers to 9-10 year old students. It is divided into two 40 minute blocks. Students will review numbers 1-100 and be introduced to ordinal numbers like 1st, 2nd, 3rd through activities using a worksheet, videos, and making birthday cards. They will practice identifying the correct order of ordinal numbers and stating their own birthday. Formative assessment will be done through observation during pair and group work activities including using an online Kahoot platform for a visual quiz. The goal is to promote communication, social skills, and cooperation among students.