Items where Author is "Sari, Puspita"

Sari, Puspita (2013) An Empty Number Line to Develop Mental Arithmetic Strategies. In: Zulkardi(Eds). The First South East Asia Design/ Development Research (SEA-DR) International Conference, 22-23 April 2013, Palembang, Indonesia.

Sari, Puspita and de Haan, Dede and Zulkardi, Zulkardi (2009) Design Research on Addition and Subtraction Up to 100 Using Mental Arithmetic Strategies on an Empty Number Line At the 2nd grade of SDN Percontohan Komplek IKIP, Jakarta. Prosiding KNM14.