Although I am a huge fan of  Teaching Textbooks, their programs do not start until Grade 3.  For the early grades one program that I highly recommend is Singapore Math.  The International Association for the Evaluation of Educational Achievement tested strengths and weaknesses in math programs in various countries.  Students using Singapore Math consistently ranked #1 in math.

The kindergarten program, Earlybird Kindergarten Books A & B, starts by teaching basic math concepts in a logical and clear manner which makes it easy for your young student to understand.  Singapore Earlybird Book A could also be started in preschool.

This is not just a workbook to hand to your early elementary student.  It will require some preparation for the teacher, but that is what makes the program unique and interesting for young children.   Children using Singapore’s Earlybird Book A workbook will begin learning counting and patterns and will advance to addition and subtract in Earlybird Book B.  The material is presented in a gradual, easy to understand format.  The workbook is colorful and fun, but also challenging.  Singapore puts a strong emphasis on “mental math”.

The following video gives you an idea what the workbooks looks like.  The first three minutes contain the Singapore Math samples.