Activities
3D Uncovered - TN
This activity uses technology to help students with the notoriously difficult idea of working with 2D planes within 3D situations and thus solve problems with trigonometry in 3 dimensions.Google sketchup...
Activities
Trig Calculator - TN Free
When students simply use a calculator, the meaning behind trig ratios is quickly lost. In order to build the ‘cabri – calculator’ students are challenged to really understand the origins of the ratios....
Activities
False Positives TN
I really think that this is a jaw dropping bit of Mathematics and it really is frightening to see how intelligent people are fooled by it. It's a powerful lesson and a great bit of Maths and ToK where...
Activities
Probability Trees TN Free
This activity is about bridging the gap between the intuition of sample space diagrams and the efficiency of tree diagrams. Students will look at a problem from the two points of view, play with multiplying...
Activities
Dr Who - TN
This is a really absorbing and engaging puzzle that is rich with interesting mathematical behaviour. The essential learning objective for this activity is about scale factors of enlargement and repeated...
Activities
Percentage Error - TN
The concept of relative error is really very important and can really mess with our minds when presented in different contexts. How can a bigger error be less significant? In this activity students get...
Activities
Exactly - TN
Rounding to a given number of significant figures is a very important part of the Maths studies course because 3 significant figures is the default degree of accuracy required. As such it should be second...
Blog
Picture this Free
Just sharing what I did today with one of my Mathematical Studies classes as a warm up exercise for the new term. We played a few rounds of this 'picture this game' with a view to reflecting on how students...
Blog
IB Americas Free
So I was lucky enough to be taken to the IB Americas conference with the 'inthinking' team a couple of weeks ago. We went to man an exhibition stand aimed at spreading the gospel of the inThinking subject...
Blog
Results! Free
As my school enters its summer holidays and a new set of exam results are due, I wanted to share some related reflections I have had. The truth is, this time of year terrifies me and excites me all the...