{"product_id":"imaginary-abacus-instruction-book-a-mind-math-step-by-step-guide-to-addition-and-subtraction-using-an-imaginary-japanese-abacus-soroban-paperback","title":"Imaginary Abacus - Instruction book: A mind math step-by-step guide to addition and subtraction using an imaginary Japanese abacus (Soroban). - Paperback","description":"\u003cp\u003eby \u003cb\u003ePaul Green\u003c\/b\u003e (Author)\u003c\/p\u003e\u003cp\u003eLearn to add and subtract in your head by imagining an abacus to calculate the result. Example: Learn to calculate 415-350+233-155+44 quickly, just by imagining an abacus.This book will teach you the skills required to firstly use the actual abacus effectively, then how to use an imaginary abacus (also known as a mental abacus). To follow this book you will need: 1) A Japanese abacus (with at least 13 columns). 2) The accompanying workbook 'Imaginary Abacus - Workbook' (sold separately). This useful and impressive skill would be an asset for anyone.\u003c\/p\u003e\u003cdiv\u003e\n\u003cstrong\u003eNumber of Pages:\u003c\/strong\u003e 102\u003c\/div\u003e\u003cdiv\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.21 x 11 x 8.5 IN\u003c\/div\u003e\u003cdiv\u003e\n\u003cstrong\u003ePublication Date:\u003c\/strong\u003e October 15, 2017\u003c\/div\u003e","brand":"Books by splitShops","offers":[{"title":"Default Title","offer_id":51795441484064,"sku":"9781978043497","price":28.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/9764\/5344\/files\/abf31e67696111ba17424db25b5da873.webp?v=1780745147","url":"https:\/\/ebocreations.com\/products\/imaginary-abacus-instruction-book-a-mind-math-step-by-step-guide-to-addition-and-subtraction-using-an-imaginary-japanese-abacus-soroban-paperback","provider":"The E-Book Oasis LLC","version":"1.0","type":"link"}