Optimisation (9860)
When studying quadratic functions/calculus, do too many of your students find ‘optimisation questions’ hard? Have you ever wondered why? The booklet you can download here is the unit of work that supports the ideas presented in a number of workshops during 2011 and 2012 that outlined why students find the ideas hard. Basically, traditional teaching-and-doing approaches fail to focus on what is really happening: the measurement on one dimension and the subsequent calculation of other dimensions. Also, algebraic simplification turns out to be the devil – the patterns in the symbols are lost and so generalisation is not ‘seen’! The approach in the booklet supports the idea of each student developing a calculation and then comparing and contrasting to it other’s calculations – it is in this that the symbolic patterns appear and the generalisation literally reveals itself.
CG141 Defining and calculating with matrices
This short video shows how to define and calculate with matrices using the Run-Matrix app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.
Category: 'How to' on Graphics/Non-CAS
Technology: FX9860GAU, FXCG20/50AU
CG516 Finding areas between graphs
This short video shows you how to find the area of a region between two graphs using the Graph app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.
Category: 'How to' on Graphics/Non-CAS
Technology: FX9860GAU, FXCG20/50AU
The wind in your sails (9860)
This is a replacement unit to facilitate the teaching and learning of right-angle triangle trigonometry. The students begin by ‘learning’ how to sail a boat and then engage with various aspects of sailing and as a result learn about the fundamental trigonometric ratios. The unit comes with pre-made 9860 Geometry files that enable the students to sail virtual boats, collect data on their sailing and through this learn about trigonometric ratios. The unit includes traditional learning and problems as well as some not so traditional learning.
CGF11 Transferring Memory Content
This short video shows you how to transfer memory content between the Main and Storage Memory of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.
Approaches to the WACE 2011 Mathematics 3C3D Exam
This document presents an approach or approaches to the 2011 WACE Mathematics 3C3D Examination. These approaches incorporate the use of CAS as well as ‘by hand’ solution methods. At times two alternative methods are presented. The providing of two solutions is intended to encourage a conversation between teachers and students about the most deserning and efficient way to tackle the mathematics presented in this form of assessment.
Category: General Resources
Technology: CLASSPAD 300/330
CP012 Factorising
Factorisation of numbers and expressions (eg quadratics)
Category: 'How to' on Classpad/CAS
Technology: CLASSPAD 300/330, CLASSPAD FXCP400
CP044 Edit and Delete User Defined Functions
Managing your own user defined functions such as those created in the previous topic.
Category: 'How to' on Classpad/CAS
Technology: CLASSPAD 300/330, CLASSPAD FXCP400
CP043 Creating User Defined Variables
Create your own user functions.
Examples (i) f(x)=1/x or (ii) Ckh2ms to convert speeds from km/h to m/s
Category: 'How to' on Classpad/CAS
Technology: CLASSPAD 300/330, CLASSPAD FXCP400
CP703 Geometry – Line Segment Midpoint
Draw a line segment between two points A and B and construct its midpoint.
Category: 'How to' on Classpad/CAS
Technology: CLASSPAD 300/330, CLASSPAD FXCP400
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