Counting numbers to 20 Classroom Posters + Video. Posters can be used to hang up in your classrooms for students to have a visual representation of numbers to to 20. Video component can be used as a math warm-up or part of your morning routine or getting ready to go home.What is included:Numbers 0-20 PostersNumbers 0-20 Counting Video (Length of video 55 seconds)You may also like the following resources:MATH CLASSROOM POSTERSBack to School Classroom Poster | Counting to 10 on a Ten-FrameCounting