Combinatorics, sets | 10 |
1. The meaning of expressions in the mathematical language | 10 |
2. Let us count up! | 15 |
3. Sets | 21 |
4. Set operations | 26 |
5. Order of sets, inclusion-exclusion principle | 32 |
6. Number lines, intervals | 36 |
7. Graphs | 38 |
Algebra and arithmetics | 44 |
1. Usage of letters in mathematics | 44 |
2. Exponentiation | 48 |
3. Exponentiation to integer index | 52 |
4. Standard index form of numbers | 55 |
5. Integral expressions (polynomials) | 58 |
6. Special algebraic products | 60 |
7. Methods of factorisation | 66 |
8. Operations with algebraic fractions | 68 |
9. Divisibility | 74 |
10. Greatest common divisor (GCD), least common multiple (LCM) | 80 |
11. Number systems | 83 |
Functions | 88 |
1. The Cartesian coordinate system, point sets | 88 |
2. Linear functions | 92 |
3. The absolute value function | 96 |
4. The quadratic function | 102 |
5. The square root function | 106 |
6. Linear fractional functions | 110 |
7. The integral part, the fractional part and the algebraic sign function (higher level courseware) | 116 |
8. More examples of functions (higher level courseware) | 120 |
9. Systematization of function transformations | 124 |
Triangles, quadrilaterals, polygons | 128 |
1. Points, straight lines, planes and their mutual position . | 128 |
2. A few basic geometric concepts (reminder) | 129 |
3. About the triangles (reminder) | 133 |
4. The relation between the sides and the angles of the triangle | 135 |
5. The relation between the sides of a right-angled triangle | 136 |
6. About the quadrilaterals (reminder) | 139 |
7. About the polygons | 143 |
8. Special point sets . | 145 |
9. The inscribed circle of a triangle | 149 |
10. The circumscribed circle of a triangle | 151 |
11. Thales’ theorem and some of its applications . | 153 |
12. Circumscribed quadrilaterals, circumscribed polygons (higher level courseware) | 157 |
Equations, inequalities, simultaneous equations | 160 |
1. The concept of equation, identity | 160 |
2. Solving equations graphically | 164 |
3. Solving equations with examining the domain and the range | 166 |
4. Solving equations with factorisation | 169 |
5. Solving equations with elimination, with the “balance method” | 173 |
6. Inequalities | 177 |
7. Equations and inequalities containing absolute value | 182 |
8. Parametric equations (higher level courseware) | 188 |
9. Solving problems with equations I | 191 |
10. Solving problems with equations II | 195 |
11. First-order simultaneous equations (system of equations) in two variables | 199 |
12. Solving problems with simultaneous equations (systems of equations) | 204 |
13. Linear systems of equations in more than two unknowns (higher level courseware) | 209 |
14. Practical exercises | 213 |
Congruent transformations | 216 |
Congruent transformations 1. The concept of geometric transformation, examples of geometric transformations | 216 |
2. Line reflection (reflection about a straight line) in the plane | 218 |
3. Axially symmetric figures | 221 |
4. Point reflection in the plane | 225 |
5. Centrally symmetric figures | 228 |
6. Applications of point reflection | 231 |
7. Rotation about a point in the plane | 236 |
8. Applications of rotation about a point I . | 239 |
9. Applications of rotation about a point II | 244 |
10. Parallel translation. Vectors | 246 |
11. Operations with vectors | 251 |
12. Congruence of figures | 256 |
Statistics | 260 |
1. The representation of data | 260 |
2. The description of data | 264 |