J276 Computer Science 1D and 2D arrays and writing to file

This resource has a presentation to talk through why we use arrays, the difference between 1D and 2D arrays and the pseudocode and python syntax for both. There are numerous activities throughout where you can model the python on the board for the students to then try and then a final tasks PowerPoint that brings everything that has been taught together.

All of the python has been written - all you need to do is copy and paste it into the python editor (not the shell). Each PowerPoint slide in 01b, 02 and 03b is a new program that can be copied as is and pasted into python.

I have recently completed this unit of work with my year 10 students and they really enjoyed it, even lower ability programmers were able to do the majority of the coding. Not all of the codes in this unit are needed for the exam, but the students will need to know how to use a for loop through a 1D array and a nested for loop in a 2D array to get to individual elements in the arrays. I have seen lots of example exam questions that either ask them to write an algorithm to do this or to read the algorithm, so the more practice with this, the better. It also really prepares them for the programming project.