Abacus Mind Math Level 1 Workbook 2 of 2: Excel at Mind Math with Soroban, a Japanese Abacus (Abacus Mind Math - Level - 1 Complete Set: Instruction Book, Workbook 1 of 2, Workbook 2 of 2) Paperback – 1 Jun. 2014

Five weeks ago before we started this, my seven year old daughter struggled to remember what 4+1 is. Now, into week five of the course, she can work out double figure sums in her head. Soroban is the reason Japan has the best child numeracy stats.

Fast delivery agood value for money product

Very poor print. Most of the text at ththe tip of ththe book does t even exist! Extremely disappointing

Step by step detail...not so bad