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Matrix Arithmetic, Inverse & Sim Equations, Transformations etc Free
On this page you can find a set of videos, created by Dr James Tanton, that provide an intuitive, conceptual insight into what matrices are, why they are useful and how we calculate with them. Calculating...
Activities
Logarithm 'Show that' exam style
'Show that' questions on logarithms are probably the hardest type of question, on this topic, that is asked of SL students in exams (level 6/7). They require students to be very fluent in the conversion...
Activities
Logarithm 'Show that' SOLUTIONS
The following are solutions to the 'show that' questions designed to develop the understanding of logarithms as the inverse functions for unknown powers (exponential functions). The questions are carefully...
Activities
Area function
'Is there a pattern to the area under straight lines?' Students will investigate the areas under straight lines using the below applet - is there a pattern? This helps develop the key skill of investigation,...
Activities
SL(HL)'e' Nature's number
Why, when studying "growth" and "decay", is Euler's number 'e' so pervasive? This activity aims to provide a clear understanding, and first-hand experience, that anything that grows 'continuously' can...
Activities
Independence Day Free
'Is political persuasion dependent on Gender? How can we tell - an introduction to independence tests' When two data sets are numerical we can look for correlation using scatter graphs and linear regression...
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Unit 1 - Numbers & the world around us Free
This unit is right at the start of the first IB diploma year and designed as a short 'induction unit' that introduces students to the course. In practice we know there is likely to be movement between...
Activities
As the Crow Flies
Which of the lines in the picture is the longest? How can you tell? Are any of them the same length? How do you know? We can all answer these questions with our instincts, we could even get a ruler out...
Blog
Examiners Report Free
It is highly recommended that you and your department read the examiners report after an exam session, because it gives you a real insight into important aspects of what examiners observed and, more importantly,...
Activities
Percentage Error
'Percentage Error - Wrong, but how wrong? How do we judge the significance of an error?' Given that the vast majority of descriptive numbers are rounded and/or estimated its really worth stopping to think...