odd even
+----|----+
| 1 | 2 |
+----+----|
| 3 | 4 |
+----+----|
| 5 | 6 |
+----+----|
| 7 | 8 |
+----+----|
| 9 | 10 |
+----+----|
| 11 | 12 |
+----+----|
| 13 | 14 |
+----+----|
| 15 | 16 |
+----+----|
| 17 | 18 |
+----+----|
| 19 | 20 |
+----+----|
NOTE:
Practice counting by twos. Have the student read the numbers in the even
column of the table shown above. Make sure that the student understands that
the numbers in the left column are ODD numbers and that the numbers in the
right column are EVEN numbers.