Via Afrika Maths Study Guide Gr10
Authors ? Authors ? Authors ? Authors
Study Guide
Mathematics
Grade 10
? Via Afrika Maths Study Guide Gr10 1
16/01/2012 12:43
Contents
Introduction to Mathematics.......................................................................................5
Chapter 1 Algebraic expressions 6 Overview6 Unit 1 The number system7 Unit 2 Multiplying algebraic expressions8 Unit 3 Factorisation10 Unit 4 Algebraic fractions13 Questions15
Chapter 2 Exponents 16 Overview16 Unit 1 Laws of exponents17 Unit 2 Simplifying exponents18 Unit 3 Solving equations that contain exponents20 Questions23
Chapter 3 Number patterns 24 Overview24 Unit 1 Linear number patterns25 Unit 2 More complicated linear number patterns27 Questions29
Chapter 4 Equations and inequalities 30 Overview30 Unit 1 Linear equations31 Unit 2 Quadratic equations34 Unit 3 Literal equations35 Unit 4 Simultaneous equations37 Unit 5 Linear inequalities38 Questions40
Chapter 5 Trigonometry 41 Overview41 Unit 1 Right-angled triangles42 Unit 2 Definitions of the trigonometric ratios43
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Unit 3 Special triangles44 Unit 4 Using your calculator45 Unit 5 Solving trigonometric equations46 Unit 6 Extending the ratios to 0? 360?48 Unit 7 Graphs of the trigonometric functions53 Questions55
Chapter 6 Functions 57 Overview57 Unit 1 What is a function?58 Unit 2 Graphs of functions60 Unit 3 The graph of y = ax2 + q63 Unit 4 The graph of y = _ax_+ q64 Unit 5 The graph of y = abx + q, b > 0 and b 166 Unit 6 Sketching graphs68 Unit 7 Finding the equations of graphs71 Unit 8 The effect of a and q on trigonometric graphs72 Questions 74
Chapter 7 Polygons 75 Overview75 Unit 1 Similar triangles76 Unit 2 Congruent triangles78 Unit 3 Quadrilaterals80 Questions83
Chapter 8 Analytical geometry 84 Overview84 Unit 1 The distance formula85 Unit 2 The gradient formula86 Unit 3 The midpoint formula88 Questions89
Chapter 9 Finance, growth and decay 91 Overview91 Unit 1 Simple interest92 Unit 2 Compound growth94 Questions97
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Chapter 10 Statistics 98 Overview98 Unit 1 Measures of central tendency: ungrouped data99 Unit 2 Measures of dispersion101 Unit 3 Box-and-whisker plot103 Unit 4 Grouped data104 Questions107
Chapter 11 Measurement 110 Overview110 Units 1 and 2 Right prisms and cylinders111 Unit 3 The volume and surface area of complex-shaped solids113 Questions116
Chapter 12 Probability 117 Overview117 Unit 1 Probability118 Unit 2 Combination of events120 Questions122
Exam Papers 123 Answers to questions 133 Answers to exam papers 152 Glossary 162
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Introduction to Mathematics
There once was a magnificent mathematical horse. You could teach it arithmetic, which it learned with no difficulty, and algebra was a breeze. It could even prove theorems in Euclidean geometry. But when it tried to learn analytic geometry, it would rear back on its hind legs, and make violent head motions in resistance.
The moral of this story is that you can't put Descartes before the horse. If you have a study routine that you are happy with and you are getting the grade you want from your mathematics class you might benefit from comparing your study habits to the tips presented here.
Mathematics is Not a Spectator Sport
In order to learn mathematics you must be actively involved in the doing and feeling of mathematics.
Work to Understand the Principles
LISTEN During Class. No the study guide is not enough. In order to get something out of the class you need to listen while in class. Sometimes important ideas will not be written down, but instead be spoken by the teacher.
Learn the (proper) Notation. Bad notation can jeopardise your results. Pay attention to them in the worked examples in this study guide,
Practise, Practise, Practise. Practise as much as possible. The only way to really learn how to do problems is work through lots of them. The more you work, the better prepared you will be come exam time. There are extra practise opportunities in this study guide.
Persevere. You might not instantly understand every topic covered in a mathematics class. There might be some topics that you will have to work at before you completely understand them. Think about these topics and work through problems from this study guide. You will often find that, after a little work, a topic that initially baffled you will suddenly make sense.
Have the Proper Attitude. Always do the best that you can.
The AMA of Mathematics
ABILITY is what you're capable of doing. MOTIVATION determines what you do. ATTITUDE determines how well you do it.
It is not pure intellectual power that counts, it's commitment. ? Dana Scott
? Via Afrika ? Mathematics
? Via Afrika Maths Study Guide Gr10 5
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