Fall Turkey Number Sense Activity - Representing Teen Numbers in Different Ways Build your students' number sense skills with this easy-to-prepare turkey-themed roam-the-room math activity. You’ll reinforce representing teen numbers, 10 to 19, in different forms: writing numerals, writing number words, and representing a given quantity with tally marks, on ten frames, and by a quick draw of base ten blocks You can also focus on the concept of teen numbers being composed of ten and a number