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By Merttens Ruth
Ruth Merttens, Jennie Kerwin, Hilda Mertten, 2014, Abacus Series
This workbook is part of the Abacus educational toolkit, designed for Year 1 students. It provides clear instructions suitable for teachers to explain to children. Each activity includes a practical 'Action' component and a 'Think' section for additional challenge. The workbook incorporates self-assessment opportunities on every page and uses color to differentiate various mathematical areas within the Abacus program.