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Number & Algebra
HL Matrix Arithmetic, Inverse & Sim Equations 1.14
On this page you can find a set of videos, created by Dr James Tanton, for the topic AHL 1.14 that provide an intuitive, conceptual insight into what matrices are, why they are useful and how we calculate...
Number & Algebra
HL Complex Electricity 1.13
As listening to music we love inspires us to persevere with the otherwise monotonous repetition that mastering an instrument (or sport) may require, being inspired by the applications of mathematics can...
Number & Algebra
HL Complex Geometries 1.13
'Explore the Geometry of Complex number Arithmetic' What does it mean to add, subtract, mutiply and divide complex numbers? Explore the Geometries of complex numbers using the applets below to see if ...
Number & Algebra
HL Complex Intro & Geometry 1.12+1.13 (copy)
What are complex numbers? Are they "imaginary" (in the literary sense of the word), and, if not, how can we use them/in what way are they "real"? How were they discovered/invented?Use the applets in the...
Number & Algebra
HL Complex sums, products, conjugates 1.12
On this page you can find a set of IB style questions for this topic that covers 100 marks (more aimed at level 5 and above, than below level 3 or 4). The SOLUTIONS are linked below. Use the questions...
Number & Algebra
HL Sum of Infinite Geometric
Are there any geometric sequences that do not sum to infinity? In this investigation students work in groups, using their GDCs (spreadsheets and graphs) and any approaches they can think of to come up...
Number & Algebra
HL Rational Exponents & Log Laws
This is the natural extension from the SL Indices & Logs section and will take your understanding of index notation and logarithms and the relationship between them to the next level. You will review...
Number & Algebra
Standard Form, Accuracy & Estimation
This sub topic covers some of the key skills that will be needed through some of the other topics. Firstly, working with numbers in standard index form allows us to work efficiently with the extremely...
Number & Algebra
Indices & Logarithms
This sub topic is all about understanding how to express and work with numbers written in index form. As well, we will explore the inverse of indices and the basic concept of logarithms. This all draws...
Number & Algebra
Compound Interest & Depreciation
This is a topic that most will have seen before. The idea of repeated percentage change and the relationship with exponential functions and geometric sequences is what this is all about. What is often...