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### How to construct a column or bar graph

This animated presentation includes three examples of how to construct column graphs (also known as bar graphs) to represent data. It also highlights the features of column graphs. Students can use an included set of practice questions to determine their knowledge and understanding of column graphs.

### How to construct parallel lines

This animated presentation includes three different techniques for the geometrical construction of parallel lines. The presentation, with optional audio commentary, provides a step-by-step set of instructions involving rulers, set squares and compasses.

### Introduction to slope

In this animated presentation students are introduced to the mathematical concept of slope (or gradient) of a straight line. The mathematical definition of slope is explained in terms of, and derived from, two practical contexts.

### Using linear equations to model population growth, Hooke's Law and parcel shipping charges

In this animated presentation students are provided with three examples of mathematical modelling in real-world settings. Linear functions are used to model population growth, Hooke's Law and parcel shipping charges.

### Order of operations (PEMDAS)

This three-part animated presentation demonstrates the process of applying an order of operations convention to calculations involving a mixture of number operations. Two parts of the demonstration provide worked examples and a step-by-step procedure; the third part provides examples for student practice.

### Plotting points using positive coordinates: first quadrant

This learning object introduces students to plotting points in the first quadrant of the Cartesian plane. It includes demonstrations of point plotting and a student activity.

### Pythagoras's theorem: proof

This learning object includes animations of transformational geometry and algebraic proofs of Pythagoras's theorem. Interactive Illustrations of the theorem, worked examples, a quiz and practice questions are included.

### Mathematical relations

This learning object introduces students to the mathematical concept of a relation and presents different ways of representing such mappings between two sets of objects.

### Using exponents in real-life contexts

This animated presentation provides four examples of the use of exponential functions to model real-life practical situations. The examples highlight the manipulation of indices (exponents) and the index laws.

### Volume of a cone

In this learning object the relationship between the volume of a cylinder and cone is illustrated. Problems with animated worked solutions are included as are practice questions and answers for students.

### Transportation: 10. Excuse me! How can I get to...

This is a short instructional program that has an emphasis on learning one focus sentence at a time in Chinese. The focus sentence taught in this resource is, Excuse me! How can I get to... The program is delivered by an English-speaking presenter to teach the audience how to say the focus sentence. The words in the focus ...