Full lesson - Binary shifts. This lesson explains the concepts of logical and arithmetic binary shifts (left and right) with clear, full screen diagrams and examples. Practice questions and a full worksheet (with solutions) are included. Fully editable resource.

64 Python programming exercises ranging from “Hello World” style first programs to file reading and writing. Many tasks also have extension (“bonus”) sections to stretch pupils. Exercises are sorted into sections by the skills needed to complete them (conditionals, loops, arrays, etc). A good resource for homework, extension tasks, and independent learning. Fully editable resource, ready for printing or online use. Topics covered: Basic input and output Conditionals Loops (while and for) Strings Lists Subroutines and functions File reading and writing Some of the exercises in this document require sample code for students to edit: this code is provided in the download. The exercises in this resource can be completed in any programming language, but some of the phrasing in the questions is specific to Python. There is also a Java version of this resource available.

Full lesson - secondary storage devices including starter, teacher’s PowerPoint, worksheet, plenary task, and homework task. Following on from lesson 3, this lesson covers the difference between primary and secondary storage, and the different types of secondary storage device. Fully editable resource.

Full lesson - Input and Output (IO) devices. Following on from lesson 2, this lesson covers common input and output devices, including computer accessibility for disabled users. Includes teacher’s PowerPoint, activity, worksheet, and plenary. Homework worksheet is also included. Fully editable resource.

Full lesson - Introduction to representing negative numbers in binary. This lesson recaps binary representation and then introduces negative numbers. To aid understanding of two’s complement, binary addition is also covered. Both sign and magnitude and two’s complement are covered, with worked examples, exercises, and an explanation of the problems with sign and magnitude notation. Includes teacher’s PowerPoint, activities, and homework (with solutions). Fully editable resource.

Full lesson - Introduction to hexadecimal. This lesson recaps binary representation and then introduces hexadecimal. The lesson covers conversion between denary and hexadecimal, binary and hexadecimal, and vice versa. Includes starter, teacher’s PowerPoint, activities, and homework (with solutions). Fully editable resource.

Binary number line for classroom displays, suitable for GCSE, A-Level, or IB Computer Science. Download includes: Binary, hex, and denary values from 0 to 20 Binary and denary values from 0 to -20 (sign and magnitude) Binary and denary values from 0 to -20(two’s complement) Binary and denary values from 0 to -20(both systems on the same line) For clarity, hexadecimal values are not shown for negative numbers. Each set of numbers is on an A3 sized sheet that can be printed as A4 if required.

GCSE Computer Science word searches without clues, covering the Internet & Networks topics. Word searches without a list of key words force pupils to think harder about the topic and the related technical terms. These are useful as starters to test prior learning, as plenaries, or activities to revisit over a series of lessons for evidence of progress.

7 questions written in Edexcel style pseudocode. Questions cover tracing output, identifying common logic errors in algorithms, and making corrections. Separate answer sheet included. Fully editable resource.

KS3 / GCSE Computer Science "Spot the mistakes" task for the Hardware and Software topics. Students must read a short piece of text and identify the mistakes. Handy to check understanding as a starter or plenary. Covers the basics of input, output, storage, and types of software. One PowerPoint contains the two questions, each with the plain text, a slide highlighting the mistakes, and a slide showing the correct answers. This is useful for displaying on a projector. The second PowerPoint includes just the questions and is useful for students working independently with the resource on a VLE. Fully editable resource.

Two worksheets covering negative binary numbers in sign & magnitude and two’s complement representations. Each worksheet has a separate answer key. Fully editable resource.

A fill-in-the-gaps activity for students to improve their understanding of computer system components. Students must complete the tree diagram, which includes hardware (input, output, storage, and processing) and software (application software and operating systems). Useful as a lesson plenary or an end of topic summary. Suitable for KS3 or GCSE Computer Science. Fully editable resource. Includes tree diagram with gaps and the solution.

Crosswords for 13 GCSE Computer Science topics, plus 3 bonus ’Mega crosswords’ containing over 40 clues each. Answer keys included for all crosswords. Each crossword is a PDF that can be printed. Great for starters and plenaries. (Two samples are also available on TES for free). Pack contains the following crosswords (plus answers for each): Hardware Software Binary (answers in binary only) Binary inc negatives (answers in binary only) Binary and Hexadecimal Data representation CPU architecture Programming languages Networks The Internet Network security Algorithms Programming

End of unit Computer Science test covering binary, hexadecimal, number conversion, and binary arithmetic. Editable. 25 mark test. Answers included. Suitable for year 9, GCSE, and above.

Keyword bingo game covering Communication & the Internet. The teacher reads the clues; students must cross off the relevant keyword if they have it. The game ends when a student has all clues crossed off or achieves a straight line - you decide. Includes a set of 50 unique bingo cards for students, plus clue and definition list for the teacher. Fully editable resource.

GCSE Computer Science word search without clues, covering the CPU. Word searches without a list of key words force pupils to think harder about the topic and the related technical terms. These are useful as starters to test prior learning, as plenaries, or activities to revisit over a series of lessons for evidence of progress.

Three Boolean logic worksheets with exam style questions on logic statements and truth tables. 22 questions in total. The worksheets cover AND, OR, and NOT gates. Answer sheets included. Fully editable. Good for homework assignments.

Crosswords for GCSE Computer Science topic Networks. Answer key included. Printable PDF. Great for starters and plenaries. A pack containing crosswords and answers for 13 Computer Science topics is available on TES: Hardware Software Binary (answers in binary only) Binary inc negatives (answers in binary only) Binary and Hexadecimal Data representation CPU architecture Programming languages Networks The Internet Network security Algorithms Programming

Keyword bingo game covering computer hardware. The teacher reads the clues; students must cross off the relevant keyword if they have it. The game ends when a student has all clues crossed off or achieves a straight line - you decide. Includes a set of 30 unique bingo cards for students, plus clue and definition list for the teacher. Fully editable resource.