  The objectives of this research were 1) to develop the application for
learning place value, 2) to determine the efficiency of developed application,
3) to compare academic achievement to compare academic achievement between
pre-lesson and post-lesson of students who learned with the developed
application about place value, 4) to compare academic achievement between
students who learned place value by the developed application and through
traditional method during post-lesson, 5) to compare retention of academic
achievement of application for learning place value after 2 weeks, and 6) to
find satisfactory of student who learned the application for learning place
value. The sample group selected through purposive sampling was 5 content
specialists and 400 pratomsuksa 1 students.
