The study is intended to expose mind mapping used as strategy for learning which is able to assist students to write their writing assignments. Thirty students who registered in the Teacher Qualification Improvement Program of Universitas Terbuka (UT) was involved as the participants in this present study. The participants had to follow the face-to-face tutorial session of the Instructional System Design course (ISD) course. One of the given assignments of the course was writing the modular based learning materials for the primary school students. The participants had to study the required knowledge and skills of writing the printed modular based learning materials through the systematic and systematic ways. The mind mapping strategy was used to help the students to complete their writing assignments -- the printed modular based leaning resources. At the beginning the participants felt uncertain about the writing assignment. The study was found that the use of mind mapping as learning strategy increased the students learning motivation and improve the ability to write the printed modular based learning materials.