2_2_07


 * Whole-class lesson:**

Students get one ten-frame and a bunch of counters. Begin with the number 11. Have them count out 11 counters, and then fill in their ten-frame. Before they fill it in, ask how many counters they think will be left over. Then have them do it and see how many are left over.

Work on a chart for the teens, 11-19, of what each number equals (ten and two more, for example). See picture below of our chart. Have students continue to anticipate how many counters will be left over for each number as you go from 11-19.