This is a 17 day unit to teach Common Core Math Standards 1, 2, and 3. Lessons 1-5 help students review numbers to 100 and introduces them to numbers to 120. Lessons 6-10 teach students to show numbers using 10 frames and base 10 blocks. Lessons 11-17 teach students to use comparison symbols to compare numbers 0-99. (<, = and >) This is a complete unit and contains everything you need to teach these standards. There are lesson plans which include the standard, focus, materials needed,