Coding MasterClass for kids: Cats, Robots, and Pythons!

Learn how to use the Scratch mouse: navigate with the cursor, use left and right buttons, grab and drag code blocks to build scripts, and explore blocks.

Start your first Scratch program using motion and looks blocks to move ten steps, turn fifteen degrees, and say hello, then apply good programming practices with the green flag.

Create an open ended assignment that emphasizes fun, uses multiple sprites and backdrops, and triggers events on key presses or mouse clicks to change visuals.

Move a sprite using the x and y axes with left, right, up, and down arrows by changing x by and y by values.

Learn to program a bat sprite to glide to four corners from the center using x and y coordinates, count corners, play chirping and owl sounds, and save the project.

Explore hardware and software basics, including inputs and outputs, storage, and processing, with a focus on cpu, motherboard, monitor, keyboard, mouse, and Scratch.

Learn to animate Flappy the bat with parallel computing, two scripts, a forever loop, and green flag events.

Learn how loops work in Scratch and Python, featuring forever loops, repeat blocks, and boolean-based conditional loops with if-then and if-else.

Explore garbage in, garbage out and why computers do only what you tell them. Learn to craft precise instructions, test continuously, and debug to ensure correct outputs from your code.

Build a fully playable game called Bachchu 9000 with step-by-step guidance, featuring scores at the top, lives, flappy bets, and shooting bets, plus visual feedback when hits occur.

Plan the game using workbooks, outline the evolving problem, resources, and steps, then code and debug to build a playable bat shooter with three blades and life counters.

Add a per-bat score counter by implementing independent scoreboards for each bat; reset to one on the green flag and increase scores as you hit each bat.

Tackle the batshooter 9000 challenge by tallying per-bet scores and updating a running total that reflects their sum, and implement a total variable to track the running score.

Bs9000 challenge by having each score count down independently, track total lives from all scores, and remove bets as their scores reach zero to end the game.

Learn to assign each bat its own score and lives, decrement scores on hits, hide when dead, and trigger game over, using Scratch blocks and debugging to fix logic.

Create a bonus balloon example in Scratch that inflates when you click, tracks a pop variable, and bursts after five breaths, using your own sprites, costumes, and recorded sounds.

Demonstrate a balloon pop project in Scratch by designing a balloon sprite with multiple costumes and sounds, and coding a breath-based sequence that grows then bursts.

Master basic number operations in Scratch using variables, including addition, subtraction, multiplication (star), and division, with whole, decimal, and negative numbers, mirroring Python to prepare for future coding.

Create a working calculator in Scratch by assigning numbers to variables with sprites, implementing an equals sign, adding values, and broadcasting the answer from Scratch the cat.

Learn to build a mini calculator in Scratch by creating five sprites, managing variables, initializing on start, and computing the sum of one through five.

Explore computational thinking by decomposing a Scratch calculator project into displays, variables, and buttons, then design a multi-display calculator with a plus operation and clear functionality.

Learn to build a two-display calculator in Scratch by clearing displays, using nothing instead of zero, joining digits with the join operator, and coordinating updates via broadcast messages.

Reuse code with broadcast messages to control display one and display two, stop other scripts in the sprite, and build a mini calculator that sums displays to show the answer.

Design and build a complete working calculator using the previous lesson’s code, featuring three displays, a separate answer display, digits 0–9, all operators.

Learn to design a complete working calculator with three displays and an answer display, wiring number buttons 0-9, handling display updates, and using broadcast messages to sync displays.

Develop a calculator by implementing digits 0–9, four operators, and display of results, while applying the order of operations with parentheses to compute correct results.

Design and program a working calculator in a kids' project, implementing division, multiplication, rounding, and checks for whole numbers, with sprites, costumes, displays, and operators.

Launch a new scratch project that asks for your birth year at start and automatically calculates your age in years using a sensing block.

Create a Scratch project that asks for your birth year, stores it in a variable, and calculates your age in years using the current year, then displays it.

Create a sum game with random addition questions; players win after five correct answers, lose after three incorrect attempts, and use a start button and game over screen.

Discover a Scratch sum game solution that randomizes two numbers, asks what is x plus y, checks the answer with a boolean condition, and introduces a scoreboard and three lives.

Build a Scratch sum game with a scoreboard and three lives, initialize score and lives, update score on correct answers, deduct lives on wrong answers, loop until win or lose.

design and implement a sum game with a start button and game over screen, using backdrops, an owl sprite, and a broadcast start to manage lives, score, and questions.

Learn to implement a game over screen with a blue sky backdrop, broadcast messages, and an animated owl, while managing score, lives, and responsive feedback for correct and incorrect answers.

Build a zombie hunter game in Scratch and program a sprite to move with the arrow keys using sensing blocks, motion commands, and a forever loop.

Create clones of your sprite to duplicate itself, with code running when a clone starts, and press space to spawn multiple clones for shooting games, then learn to remove them.

Download and load game sprites and costumes from section nine resources, then upload and apply hunter and zombie costumes. Cycle through pistol, rifle, and shotgun variants to animate characters.

Learn how to make a hunter sprite shoot bullets using clones, with space bar triggers, bullets spawning from the hunter, moving to the edge, and deleting at the boundary.

Move the hand, shoot in the correct direction by syncing bullets to the hunter pistol, and control rapid fire with a timed delay.

Explore a step-by-step solution to the ZombieHunter challenge, guiding you to set a background, create a start game flow with broadcast messages, name input, countdown, and initialization.

Add and synchronize shooting, zombie hit, zombie kill, win, and game over sounds to the zombie hunter challenge, test regularly, and ensure sounds play to completion before stopping.

Learn to swap gun costumes with number keys, assign sounds and fire rates using variables, and synchronize loaded gun with Scratch-style scripting for pistol, rifle, and shotgun.

apply ammo limits for rifle and shotgun, set starting ammo, and implement logic to switch to pistol when ammo runs out, with iterative testing and bug fixes.

Add thorough comments to all scripts to explain firing, moving, and gun switching, adjust variables, ensure the game starts with the pistol, test progress, and complete the challenge.

Use the random function to spawn a strong zombie with a distinct color. Defeating it replenishes rifle and shotgun ammo, with a one-in-twenty chance of a special zombie.

Build a multi-stage zombie hunter game by using a stage variable, backdrops, and a two-second pause to progress stages as kills advance.

Tweak weapon behavior in a kid-friendly coding game by adjusting gun accuracy, using if statements to differentiate pistol and assault rifle, and experimenting with shotgun behavior and randomness for realism.

Fix bugs in the zombie hunter game by adding an all-time high score alongside per-game scores, resetting on restart, and enable edge bounce to keep the hunter on screen.

Discover why Python is an easy, versatile first language for web development, machine learning, data science, and AI, with open-source roots and Monty Python's Flying Circus naming.

Install Python on your computer from the official Python website, then launch IDLE—the integrated development and learning environment—to start coding locally on Windows.

Learn to write your first Python program by printing hello world and understanding basic syntax. Compare Scratch and Python, explore IDLE, and recognize syntax errors as you practice.

Learn to write and run multiple lines in Python's IDLE by using print statements, saving files, and running the module with F5 to execute concurrently.

Open a new Python file in your IDE, save as half_pyramid.py, and run the script to draw a half pyramid using print statements and quotation marks.

Tackle the first Python challenge by building a full food pyramid using the same half-pyramid method and correct syntax, with quick, easy steps.

Explore strings and the escape character in Python, using backslash sequences to create new lines, print quotation marks, and output backslashes, and preview upcoming functions.

Explore essential Python string manipulation by applying lower and upper transformations and isupper/islower checks, using dot notation to call functions on variables like apple or banana.

Master indexing in Python strings by using zero-based positions and square brackets to extract characters, including spaces, with examples like apple to print zeroth and third indices.

Learn how to use Python's index function to find the first occurrence of a substring, understand zero-based indexing, and locate complete words within strings.

Explore Python's string replace function to substitute a character or a whole word. See examples with apple and banana, replacing banana with mango and printing the result.

Explore strings in Python by reviewing concatenation and escape characters, and practice key methods like length, lower, upper, islower, isupper, plus indexing, in, replace, and the index function.

Join this hands-on Python string challenge to learn by doing, practicing concatenation, escape characters, indexing, replace, and functions; practice printing the expected output in the Python shell.

Practice Python string manipulation through a hands-on challenge that covers concatenation, case transformation (uppercase/lowercase), length checks, indexing, and replace operations.

Explore the square root function in Python by importing from the math module, using sqrt with numbers, decimals, and variables, and understanding why import is needed.

Explore working with numbers in Python, including integers, decimals, and negatives; use variables, operators, order of operations, modulus, square root, and functions like max, min, round, power.

Practice working with numbers in Python by applying orders of operations, the modulo operator, string conversion, and using functions like power, max, min, round, and square root.

Learn how to collect user input in Scratch and Python, assign responses to variables, and display personalized messages using input and print functions.

Learn how to get user input in Python, store a name and birth year in variables, convert the year to an integer, and calculate and display the user's age.

Build a very basic calculator in Python by getting two user inputs, converting them to numbers, and handling integers and floats to avoid string concatenation.

Practice collecting five distinct numbers and a name, apply the order of operations, compute a result, and display a single line that reads hello name, the answer is your result.

Learn to handle multiple user inputs in Python, including six variables for numbers and a name. Fix syntax errors, perform a multiplication calculation, and display the result.

Learn how to use Python's turtle graphics to draw on screen, import turtle, name your turtle Pete, and change its shape, while connecting turtle commands to controlling a real robot.

Move the turtle with forward and turn commands in pixels and degrees, change colors, draw circles with a radius, and use pen up and down and reset in python turtle.

Explore how to draw basic shapes with Python turtle, from circles to squares and triangles, by using shape attributes such as four sides and 90-degree angles.

tackle a coding challenge about triangle types by size, featuring equilateral, isosceles, and sailin triangles. understand why basic mathematics underpins coding, including trigonometry, big data, and artificial intelligence.

Explore triangle solution through kid-friendly coding activities inspired by cats, robots, and pythons to build geometry and programming skills.

Learn to code a rhombus in Python with the turtle module, using equal sides and opposite angles, and calculate 45 and 135-degree angles to total 360.