Peled, I. & Leikin, R. (2010). Enrichment Materials for Young Students Excelling in Mathematics . Ten Learning Units Accompanied by Teacher Guide. MALAM: University of Haifa, Israeli Ministry of Education (In Hebrew and In Arabic).

Bershadsky, I., Leikin, R. & Zaslavsky, O. (2002). Sequences. Technion, Haifa (In Hebrew).

Leikin, R., Shafir, S. & Zaslavsky, O. (2004). Learning mathematics in a cooperative mode: Trigonometry for three-unit level. MALAM: Technion, Israeli Ministry of Education Israel: Maalot (In Hebrew).

Leikin, R., Mednikov, L. (2002). Area. Technion, Haifa (In Hebrew).

Leikin, R., Gurevich, I. & Mednikov, L. (2002). Inquiries. Mathematical activities for secondary school teachers and students. Technion, Haifa (In Hebrew).

Leikin, R., Gurevich, I. & Mednikov, L. (2002). Connecting tasks: Mathematical activities for teachers and students. MALAM: University of Haifa, Israeli Ministry of Education (In Hebrew).

Gurevich, I., Leikin, R., & Mednikov, L. (2001). Enrichment materials for the development of mathematical thinking: For all students. Units 1-12. Technion, Haifa (In Hebrew).

Mednikov, L., Gurevich, I., & Leikin, R. (2001). Enrichment materials for the development of mathematical thinking: For gifted students. Units 1-12. Technion, Haifa (In Hebrew).

Leikin, R. (1997). A Cooperative Approach to Learning Mathematics - Guidelines and Teaching Materials, “Tomorrow 98” Project, Technion, Haifa (in Hebrew).

Winicky-Landman, G. & Leikin, R. (1998). Equivalent and Non-equivalent Definitions. Mathematical Activities for Students and Teachers. Technion, Haifa (in Hebrew).

Leikin, R. (Ed.) (1996). Tasks for Cooperative Learning Settings in Mathematics. “Tomorrow 98” Project, Technion, Haifa (in Hebrew).

Leikin, R. (1994). Cooperative Learning in Mathematics - A Method and Learning Materials. Technion, Haifa (in Hebrew).