Overview
        Walker Maths is a series of single standard workbooks containing high-quality, up to date material at NCEA Mathematics levels 1, 2 and 3.
The well-designed, write-on workbooks contain teaching material, including relevant formulae, and ample practice exercises along with sample tasks and questions. The workbooks reflect the content and style of the new standards, and allow teachers total flexibility in course design for students at all levels. 
As a single standard series, Walker Maths offers Maths department the ability to buy titles all at once, or throughout the year as required. 
A Walker Maths Digital Teacher Resource is available for $9.95 per year for a single download. Each Digital Teacher Resource includes a Walker Maths projection file. Plus a selection of 
•	Worksheets
•	Extra questions
•	Teacher notes
•	Videos 
•	Puzzle sheets
•	Practice quizzes
•	Worked solutions
Schools qualify by adopting the corresponding workbook. Please contact your Learning Consultant for more information or email nz.sales@cengage.com
        
        
        
        
        
            
                
                
                    Glossary
Revision and useful background
1 Polynomial equations 
Expanding three brackets 
Solving using the quadratic formula 
Roots of equations and use of the discriminant 
2 Circles 
3 Trigonometry
Trigonometric functions
Radians
Exact values for trigonometric functions: special triangles
Another way of viewing trigonometric functions
Putting it together
Groups of numbers
Surds
Rules for surds
Simplifying expressions containing surds
Rationalising and more simplifying of expressions containing
surds
Equations involving surds
Polynomials
Completing the square
Long division
Factor and remainder theorems 
1 The factor theorem 
2 The remainder theorem 
Complex numbers
Imaginary numbers
Manipulation of imaginary numbers
Complex numbers — the basics 
Complex numbers and Argand diagrams 
Manipulation of complex numbers 
Addition and subtraction 
Multiplication 
Division
Mixing it up 
The modulus 
Polynomials again
The fundamental theorem of algebra
Quadratics
Cubics 
Polar coordinates
Conversion from Cartesian form to polar form
Conversion from polar form to Cartesian form 
Conversion using a calculator 
Multiplying and dividing complex numbers in polar form 
Mixing it up 
Powers of complex numbers in polar form: de Moivre’s theorem
Solving polynomial equations using de Moivre’s theorem 
Finding the locus of complex numbers subject to restrictions
1   Where the real and/or imaginary part of the complex number is restricted
2   Where the modulus of the complex number is restricted 
3   Where the argument of the complex number is restricted
Practice tasks 
Answers
                 
                
                
                    
                            
                                Charlotte has over 10 years’ experience in teaching Mathematics, the majority of this as Assistant HOD of Mathematics and Dean of Year 9 at Darfield High School.  She has also undertaken a year at St Margaret’s – a high decile, girls’ school. Here she focused on teaching the junior levels (including Year 7 and 8).
                            
                        
                            
                                Victoria has twenty years’ experience in teaching Mathematics and has recently retired as Teacher of Mathematics and Specialist Classroom Teacher at Riccarton High School. She has received a Jim Campbell award for teaching excellence (2003) and an Ernest Duncan award in Mathematics (2007).