Bahan Rujukan :
1) Pusat Perkembangan Kurikulum Kementerian Pendidikan Malaysia (2003), Integrated Curicculum For Primary School Mathematics Year two
2)Liew Su Tim & Chan Juat Eng (2003), Integrated Curicculum For Primary School Mathanetic Textbook Part 2,Selangor Darul Ehsan :The commercial Press Sdn. Bhd.
3 )Liew Su Tim & Chan Juat Eng (2003), Integrated Curicculum For Primary School Mathanetic Activity book Part 2,Selangor Darul Ehsan :The commercial Preshing Sdn. Bhd.
4) Murugiah s/o Velayutham & Kao Thuan Keat (May 2010), HBMT2103 Teaching Mathematics in Year Two, Meteor Doc. Sdn. Bhd : Seri Kembangan, Selangor Darul Ehsan
5) Mok Soon Sang(1997) , Matematik KBSR dan Strategi Pengajaran , Kumpulan Budiman Sdn. Bhd: Subang Jaya, Selangor Darul Ehsan