Sorting and Recognising Teen Numbers 11 - 20, Helping Students Recognise, Write and Sort Numbers.This set of worksheets is designed for students who are still struggling with their numbers from 11 - 20. Each page focuses on three different numbers. There are a number of tasks on each page linked to each of these three numbers, so students get a lot practice learning these numbers. All worksheets are black and white no prob printables. Worksheet DetailsWorksheet Version One x 5Trace Numbers 10 -