Number Recognition Free Math Worksheet Pre-K and Kindergarten by tinywhiz | Sep 23, 2016 | Kindergarten, Math, Number Recognition, Pre-K | In this exercise, color all of the bubbles with numbers 11-20 . This exercise is great for Pre-K and Kindergarten aged groups. Download Here More Math Resources Subscribe To Our NewsletterJoin our mailing list to receive the latest worksheets and blog posts from TinyWhiz. SUBSCRIBE! You have Successfully Subscribed!