In today’s math lesson, students will focus on recognizing and writing numerals from 1 to 20, with special attention given to the numbers 19 and 20. The lesson includes the use of a number line and ten frames, encouraging students to use counters like bottle caps or buttons for their activities. A new printable ten frame sheet will also be utilized, along with materials for hands-on activities, including cardboard rectangles and markers. The lesson concludes with a counting exercise, reinforcing the concepts of counting forward and backward.