These lesson worksheets provide an opportunity for students to draw a picture when adding ten to a number. Pages are provided for teacher modeling, students working with the teacher, students working with a buddy, homework, and a quiz. Teacher should model drawing a t-chart to show tens and ones for both numbers. Teacher should model counting the total. Teacher should think aloud about what digit changes and what digit stays the same. When students work with the teacher they should also be answering questions about what digit changes, which stays the same, and why.