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Lesson 4 - The famous for

In this lesson, students will use a for-loop to iterate over list items. They will initially study a range of examples — to familiarise themselves with its syntax, use, and mechanics — before moving on to apply what they’ve learnt to similar tasks.

The activities involve iterating over lists of real-world...

Lesson 3 - In a while, crocodile

This lesson revolves around iteration using while loops, offering students a chance to retrieve and apply relevant knowledge. In the first activities, students will practise using list operations in iterative contexts.

Students will be introduced to the similarities between lists and strings, which will be...

Lesson 2 - Playlist

This lesson provides students with an overview of the operations that are commonly performed on lists: adding, removing, or modifying items; locating or counting occurrences of particular items, etc. Students are presented with a set of short...

Lesson 1 - Warm up

This introductory lesson serves a double purpose: it reconnects students with Python, making sure they can read and create simple programs that use selection, and it also takes a step forward, providing a very gentle introduction to lists.

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Python programming with sequences of data overview

This resource provides a unit overview for the Year  9 ‘Python programming with sequences of data’ unit of work. It gives a clear overview of objectives to be covered within each session and a learning graph to show the range of skills being...

Lesson 6 - Always Another Way

To conclude the unit, students will spend half the lesson completing a summative assessment.

In the time remaining, students will be introduced to alternative (symbolic) representations for images and sound, such as vector graphics and MIDI music. They will also be introduced to what compression is and why...

Lesson 5 - Sonic Playground

First, students will revisit the digitisation process, in order to understand how the sampling rate and the sample size affect the size and quality of the representation. Next, they will use a sound editing program that will allow them to experiment with sound to complete specific tasks and challenges.

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Lesson 4 - Good Vibrations

Tracing the steps of a hiker through the altitude data that she transmits, students will familiarise themselves with the basic concepts necessary for understanding any analogue to digital conversion: samples, sampling rate, and sample size.

The main goal is for students to understand the ‘big picture’ of how...

Lesson 3 - Collage

After introducing students to the ideas behind digital image representation, it’s now time for a hands-on approach. In this lesson, students will use appropriate software to perform a range of image manipulation functions and complete specific...

Lesson 2 - A Splash Of Colour

In the early days of personal computers, graphics were displayed in a range of different resolutions and colour depths, depending on the hardware available. Nowadays, while resolution is still being increased, there is no mention of colour depth or the number of possible colours available. We have used 24 or 32...

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