Acknowledgments |
|
vii | |
Introduction |
|
1 | (11) |
|
|
1 | (1) |
|
0.2 Preservice Secondary Teachers |
|
|
2 | (2) |
|
0.3 Mathematics Graduate Students |
|
|
4 | (1) |
|
0.4 Mathematics Education Doctoral Students |
|
|
5 | (1) |
|
0.5 Thinking Like a Mathematician |
|
|
6 | (1) |
|
0.6 The Theory-Building Disposition |
|
|
7 | (3) |
|
0.7 Structure of the Book |
|
|
10 | (2) |
|
1 Numbers and Number Systems |
|
|
12 | (64) |
|
|
12 | (3) |
|
|
15 | (3) |
|
1.3 What are Real Numbers? |
|
|
18 | (3) |
|
1.4 Characterizing the Reals |
|
|
21 | (2) |
|
|
23 | (5) |
|
|
28 | (6) |
|
|
34 | (4) |
|
1.8 Order Properties and Ordered Fields |
|
|
38 | (5) |
|
1.9 Examples (and Non-Examples) of Ordered Fields |
|
|
43 | (2) |
|
1.10 Rational Subfields and the Completeness Property |
|
|
45 | (7) |
|
1.11 The Real Number Characterization Theorem, At Last |
|
|
52 | (5) |
|
1.12 Existence of a Complete Ordered Field |
|
|
57 | (6) |
|
1.13 Decimal Representations |
|
|
63 | (7) |
|
|
70 | (6) |
|
2 Polynomials and Polynomial Functions |
|
|
76 | (41) |
|
2.1 Polynomials in the Secondary Curriculum |
|
|
76 | (1) |
|
2.2 Just What is a Polynomial? |
|
|
77 | (2) |
|
|
79 | (5) |
|
2.4 Constant Functions and Polynomial Functions |
|
|
84 | (5) |
|
|
89 | (6) |
|
2.6 Interpreting Polynomials as Functions |
|
|
95 | (11) |
|
2.7 Polynomials over Finite Rings |
|
|
106 | (8) |
|
|
114 | (3) |
|
|
117 | (33) |
|
3.1 "Equivalence" in the Secondary Curriculum |
|
|
117 | (3) |
|
3.2 Strings and Algebraic Strings |
|
|
120 | (4) |
|
3.3 Algebraic Equivalence |
|
|
124 | (2) |
|
3.4 Equations, Strong and Weak Equivalence, and Solutions |
|
|
126 | (9) |
|
3.5 A Complete (?) Algorithm for Solving Polynomial Equations in High School |
|
|
135 | (2) |
|
3.6 Equations in Two Variables |
|
|
137 | (9) |
|
|
146 | (4) |
|
4 Geometry, Graphs and Symmetry |
|
|
150 | (74) |
|
4.1 Euclidean Geometry in the Secondary Curriculum |
|
|
150 | (3) |
|
4.2 Compass-and-Straightedge Constructions in the Euclidean Plane |
|
|
153 | (6) |
|
4.3 Measuring Ratios in the Plane |
|
|
159 | (6) |
|
4.4 From Geometry to Algebra: Coordinatizing Lines and the Plane |
|
|
165 | (10) |
|
4.5 Coordinate Systems, Lines and 1st-Degree Equations |
|
|
175 | (10) |
|
4.6 Non-Orthonormal Coordinate Systems |
|
|
185 | (6) |
|
4.7 Transformations and Symmetry |
|
|
191 | (13) |
|
4.8 Groups of Transformations |
|
|
204 | (9) |
|
4.9 Operations on Functions |
|
|
213 | (6) |
|
|
219 | (5) |
|
5 Exponential and Logarithmic Functions |
|
|
224 | (65) |
|
5.7 What We Talk About when We Talk About Logs |
|
|
224 | (6) |
|
5.2 Exponential Functions, Roots, and the AM-GM Inequality |
|
|
230 | (16) |
|
5.3 Exponential Equations and Logarithmic Functions |
|
|
246 | (12) |
|
5.4 Logarithm-Like and Exponential-Like Functions |
|
|
258 | (12) |
|
5.5 Exponentials and Logarithms in Other Fields and Rings |
|
|
270 | (9) |
|
5.6 Applications to Cryptography |
|
|
279 | (5) |
|
|
284 | (5) |
|
|
289 | (30) |
|
6.1 A World of Pure Imagination? |
|
|
289 | (3) |
|
6.2 Hamilton's Construction |
|
|
292 | (4) |
|
6.3 Building a Multiplicative Structure from Scratch |
|
|
296 | (5) |
|
|
301 | (2) |
|
6.5 The Complex Criterion |
|
|
303 | (2) |
|
|
305 | (4) |
|
6.7 Quadratic Polynomials, Factoring and Completing the Square |
|
|
309 | (3) |
|
6.8 Quotient Rings and Abstract Algebra |
|
|
312 | (4) |
|
|
316 | (3) |
Index |
|
319 | |