The Sigma Workbook 'AS 1.2 Algebraic Procedures' is a write-on student workbook covering the mathematics students must understand to gain Achieved, Merit, orExcellence in this NCEA Level 1 Achievement Standard. The work in this book covers only Achievement Standard 1.2. This workbook contains a large number of exercises covering the algebra in Achievement Standard 1.2. Students will also find detailed instruction boxes teaching the key skills in this Standard. These are backed up by worked examples showing step-by-step details of the processes that will be needed for the external assessment. At the end of the workbook there is a valuable Achievement Standard Test. Candidates should use this to evaluate their strengths and weaknesses before the external assessment. A full set of answers is included, which acts as a guide to structuring quality answers. An abbreviated version of the Achievement Standard itself completes the resource.