Building Blocks Ages 9-10

Grade 4: Data, algorithms, and the building blocks of computing

Data, algorithms, and the building blocks of computing — structured as a full academic year with 4 units and 110 chapters.

📚 110 Chapters 📦 4 Units ❓ 772 Quiz Questions 🎯 CBSE-Aligned

🔑

Unit 1: Codes & Security

Secret codes, encryption, and how data stays secure

💾 Database

Deep Dive

1What is Data? Information All Around Us

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Fundamentals16 min read

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💡 General

Deep Dive

2How Does Google Find Answers So Fast?

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Internet & Search16 min read

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🧩 Algorithms

Deep Dive

3Coding Without a Computer: Algorithms in Real Life

Coding Without a Computer: Algorithms in Real Life The word "algorithm" sounds super technical and scary. But here's the...

Computer Science Basics16 min read

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📱 Mobile

Deep Dive

4The Story of Computers: From Abacus to Smartphones

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

History & Technology17 min read

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💡 General

Deep Dive

5What is Artificial Intelligence? When Computers Learn

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Artificial Intelligence18 min read

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🔒 Security

Core

6Secret Codes: Introduction to Encryption

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Cybersecurity14 min read

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💡 General

Core

7Robots All Around: Introduction to Robotics

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Technology & Engineering13 min read

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🤖 AI

Core

8AI Doctors: How Computers Help Medicine

AI Doctors: How Computers Help Medicine AI as a Helper, Not a Replacement Artificial Intelligence is becoming a powerful...

Artificial Intelligence12 min read

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🧩 Algorithms

Core

9Making Things Move: Graphics and Animation

📋 Before You Start To get the most from this chapter, you should be comfortable with: trees, connected components, path...

Digital Media13 min read

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🤖 AI

Core

10Logic Puzzles: Training Your Brain for Coding

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Problem-Solving13 min read

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💾 Database

Deep Dive

11Spreadsheets: Rows, Columns, and Cells

📋 Before You Start To get the most from this chapter, you should be comfortable with: basic familiarity with computers,...

Data Science14 min read

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💾 Database

Deep Dive

12Bar Charts and Pie Charts: Seeing Data

📋 Before You Start To get the most from this chapter, you should be comfortable with: understanding of data, familiarit...

Data Science15 min read

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💾 Database

Deep Dive

13Real vs Fake Data: Being a Data Detective

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Data Science15 min read

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📡 Networking

Deep Dive

14Step-by-Step Recipes: Algorithms in Cooking

Step-by-Step Recipes: Algorithms in Cooking Have you ever followed a recipe to make cookies, dal, or biryani? A recipe i...

Programming & Coding15 min read

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🧩 Algorithms

Deep Dive

15Debugging: When Algorithms Go Wrong

📋 Before You Start To get the most from this chapter, you should be comfortable with: variables and loops, basic logic,...

Programming & Coding16 min read

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💡 General

Core

16How QR Codes Work

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Technology Basics13 min read

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🧩 Algorithms

Core

17Building Your First Algorithm

📋 Before You Start To get the most from this chapter, you should be comfortable with: variables and loops, basic logic,...

Computational Thinking13 min read

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💡 General

Core

18How Google Knows All the Answers

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Search Technology13 min read

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💡 General

Core

19Satellite Technology and ISRO

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Space Technology12 min read

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💡 General

Core

20Making a Computer Game

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Game Development12 min read

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💡 General

Core

21How Traffic Lights Think

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Smart Systems13 min read

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🤖 AI

Core

22AI in Indian Railways

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Artificial Intelligence13 min read

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📦 Data Structures

Core

23How Siri and Alexa Listen

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Voice Technology13 min read

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📡 Networking

Core

24The Internet of Things (IoT)

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Connected Devices12 min read

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⚙️ Hardware

Core

25Programming a Virtual Pet

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Game Programming13 min read

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💡 General

Core

26Binary Numbers: The Secret Language of Computers

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Programming & Coding13 min read

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🤖 AI

Core

27How Email Works: The Journey Behind the Scenes

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

AI & Machine Learning13 min read

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🤖 AI

Core

28Computer Memory: RAM vs ROM (The Computer's Brain and Its Notebook)

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Programming & Coding14 min read

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🤖

Unit 2: Robotics & Automation

How robots work and AI helps in medicine and sports

📱 Mobile

Core

29How Apps Are Made: From Idea to Your Phone

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Programming & Coding14 min read

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💡 General

Core

30Digital Art and Design: Creating Art on Computers

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Programming & Coding13 min read

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💡 General

Core

31Loops and Repetition: Making Computers Repeat Tasks

📋 Before You Start To get the most from this chapter, you should be comfortable with: variables, conditional statements...

Programming & Coding13 min read

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📡 Networking

Core

32Networks and Routers: How Devices Connect and Talk

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

AI & Machine Learning14 min read

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💾 Database

Core

33Database Basics: How Computers Store and Organize Information

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Programming & Coding13 min read

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💡 General

Deep Dive

34How Videos Stream: Why Netflix Works So Smoothly

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

AI & Machine Learning13 min read

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💡 General

Core

35Solar-Powered Computing: Computers Powered by the Sun

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

AI & Machine Learning14 min read

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🤖 AI

Core

36AI in Indian Agriculture: Helping Farmers Farm Better

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

AI & Machine Learning14 min read

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💡 General

Deep Dive

37Computers in Banking: How UPI Sends Your Money

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Programming & Coding13 min read

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💡 General

Deep Dive

38Digital Accessibility: Making Technology for Everyone

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Programming & Coding13 min read

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💡 General

Deep Dive

39Coding With Python Turtle: Drawing With Code

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Programming & Coding13 min read

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🤖 AI

Deep Dive

40How WiFi Works: Invisible Waves in the Air

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

AI & Machine Learning14 min read

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🤖 AI

Deep Dive

41Computers in Weather: How IMD Predicts Tomorrow's Rain

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

AI & Machine Learning14 min read

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📡 Networking

Deep Dive

42Digital Citizenship: Being Safe and Kind Online

Digital Citizenship: Being Safe and Kind Online Just like being a good citizen in your community, being a good digital c...

Programming & Coding15 min read

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🤖 AI

Deep Dive

433D Modeling Basics: Creating Objects in Three Dimensions

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

AI & Machine Learning15 min read

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🧩 Algorithms

Deep Dive

44How Search Algorithms Work: Why Google Finds What You Want

📋 Before You Start To get the most from this chapter, you should be comfortable with: variables and loops, basic logic,...

AI & Machine Learning14 min read

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💡 General

Deep Dive

45Coding a Simple Calculator: Building Your Own Computing Tool

📋 Before You Start To get the most from this chapter, you should be comfortable with: foundational concepts in computer...

Programming & Coding16 min read

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📱 Mobile

Core

46Advanced Typing - Touch Typing

Advanced Typing - Touch Typing Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Adva...

Computer Science14 min read

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💡 General

Core

47Keyboard Shortcuts for Speed

Keyboard Shortcuts for Speed Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Keyboa...

Computer Science14 min read

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💡 General

Core

48Advanced Document Formatting

Advanced Document Formatting Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Advanc...

Computer Science14 min read

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💡 General

Core

49Using Styles in Word

Using Styles in Word Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Using Styles i...

Computer Science13 min read

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💡 General

Core

50Creating Headers and Footers

Creating Headers and Footers Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Creati...

Computer Science14 min read

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💾 Database

Core

51Table of Contents

Table of Contents Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Table of Contents...

Computer Science13 min read

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⚙️ Hardware

Core

52Spell Check and Grammar

Spell Check and Grammar Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Spell Check...

Computer Science14 min read

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🤖 AI

Core

53Mail Merge Basics

Mail Merge Basics Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Mail Merge Basics...

Computer Science14 min read

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💡 General

Core

54Creating Professional Documents

Creating Professional Documents Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Cre...

Computer Science14 min read

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💡 General

Core

55Advanced Presentation Skills

Advanced Presentation Skills Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Advanc...

Computer Science14 min read

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💡 General

Core

56Transitions Between Slides

Transitions Between Slides Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Transiti...

Computer Science14 min read

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🎨

Unit 3: Graphics & Logic

Animation, graphics, and logic puzzles that build coding thinking

💡 General

Core

57Sound in Presentations

Sound in Presentations Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Sound in Pre...

Computer Science13 min read

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💡 General

Core

58Speaker Notes

Speaker Notes Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Speaker Notes! This i...

Computer Science13 min read

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💡 General

Core

59Presenting to an Audience

Presenting to an Audience Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Presentin...

Computer Science13 min read

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💡 General

Core

60Advanced Spreadsheet Skills

Advanced Spreadsheet Skills Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Advance...

Computer Science13 min read

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💡 General

Core

61Formulas in Spreadsheets

Formulas in Spreadsheets Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Formulas i...

Computer Science13 min read

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🧩 Algorithms

Core

62Creating Charts and Graphs

Creating Charts and Graphs Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Creating...

Computer Science14 min read

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💾 Database

Core

63Sorting and Filtering Data

Sorting and Filtering Data Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Sorting ...

Computer Science13 min read

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💾 Database

Core

64Working with Large Datasets

Working with Large Datasets Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Working...

Computer Science13 min read

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📡 Networking

Deep Dive

65Internet History and How It Started

Internet History and How It Started Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on...

Computer Science14 min read

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🌐 Web

Core

66How Websites Work

How Websites Work Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on How Websites Work...

Computer Science13 min read

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🌐 Web

Core

67Client and Server Basics

Client and Server Basics Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Client and...

Computer Science14 min read

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🌐 Web

Core

68IP Addresses and Domain Names

IP Addresses and Domain Names Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on IP Ad...

Computer Science14 min read

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🧩 Algorithms

Core

69Advanced Searching Techniques

Advanced Searching Techniques Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Advan...

Computer Science13 min read

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💡 General

Core

70Using Keywords Effectively

Using Keywords Effectively Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Using Ke...

Computer Science14 min read

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🧩 Algorithms

Core

71Boolean Search Operators

Boolean Search Operators Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Boolean Se...

Computer Science13 min read

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💡 General

Core

72Evaluating Information Online

Evaluating Information Online Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Evalu...

Computer Science13 min read

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💡 General

Core

73Citing Online Sources

Citing Online Sources Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Citing Online...

Computer Science13 min read

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💡 General

Core

74Copyright and Plagiarism

Copyright and Plagiarism Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Copyright ...

Computer Science13 min read

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💡 General

Core

75Creative Commons Licenses

Creative Commons Licenses Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Creative ...

Computer Science13 min read

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🌐 Web

Core

76Introduction to HTML

Introduction to HTML Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Introduction t...

Computer Science14 min read

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🌐 Web

Core

77HTML Tags and Structure

HTML Tags and Structure Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on HTML Tags a...

Computer Science14 min read

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🌐 Web

Core

78Creating Your First Web Page

Creating Your First Web Page Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Creati...

Computer Science13 min read

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🌐 Web

Core

79HTML Headings and Paragraphs

HTML Headings and Paragraphs Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on HTML H...

Computer Science14 min read

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🌐 Web

Core

80HTML Lists and Formatting

HTML Lists and Formatting Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on HTML List...

Computer Science14 min read

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🌐 Web

Core

81Adding Links to Web Pages

Adding Links to Web Pages Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Adding Li...

Computer Science13 min read

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🌐 Web

Core

82HTML Images and Attributes

HTML Images and Attributes Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on HTML Ima...

Computer Science13 min read

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💡 General

Core

83Introduction to Coding Logic

Introduction to Coding Logic Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Introd...

Computer Science13 min read

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🧩 Algorithms

Core

84Algorithms - Step by Step

Algorithms - Step by Step Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Algorithm...

Computer Science14 min read

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🎯

Unit 4: Projects & Assessment

Applying what you have learned through hands-on activities

💡 General

Core

85Flowcharts

Flowcharts Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Flowcharts! This is an i...

Computer Science13 min read

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💡 General

Core

86Decision Making in Code

Decision Making in Code Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Decision Ma...

Computer Science13 min read

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💡 General

Core

87Loops and Repetition

Loops and Repetition Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Loops and Repe...

Computer Science13 min read

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💡 General

Core

88Advanced Scratch Projects

Advanced Scratch Projects Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Advanced ...

Computer Science14 min read

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💡 General

Core

89Variables in Scratch

Variables in Scratch Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Variables in S...

Computer Science14 min read

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💡 General

Core

90Creating Games with Scratch

Creating Games with Scratch Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Creatin...

Computer Science14 min read

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💡 General

Core

91Debugging - Finding Mistakes

Debugging - Finding Mistakes Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Debugg...

Computer Science13 min read

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💡 General

Core

92Binary and Hexadecimal

Binary and Hexadecimal Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Binary and H...

Computer Science13 min read

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💡 General

Core

93How Computers Store Information

How Computers Store Information Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on How...

Computer Science13 min read

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💡 General

Deep Dive

94File Formats - Images, Video, Audio

File Formats - Images, Video, Audio Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on...

Computer Science14 min read

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💡 General

Core

95Compression and File Sizes

Compression and File Sizes Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Compress...

Computer Science13 min read

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💾 Database

Core

96Introduction to Databases

Introduction to Databases Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Introduct...

Computer Science13 min read

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💾 Database

Core

97Data Organization

Data Organization Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Data Organization...

Computer Science13 min read

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💾 Database

Core

98Sorting and Searching Data

Sorting and Searching Data Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Sorting ...

Computer Science13 min read

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💡 General

Deep Dive

99Digital Ethics - Right and Wrong Online

Digital Ethics - Right and Wrong Online Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesso...

Computer Science14 min read

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💡 General

Core

100Cyberbullying - Standing Up

Cyberbullying - Standing Up Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Cyberbu...

Computer Science13 min read

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💡 General

Core

101Digital Footprint

Digital Footprint Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Digital Footprint...

Computer Science13 min read

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💡 General

Core

102Privacy Settings

Privacy Settings Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Privacy Settings! ...

Computer Science13 min read

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💡 General

Core

103Understanding Scams

Understanding Scams Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Understanding S...

Computer Science13 min read

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💡 General

Core

104Malware and Viruses

Malware and Viruses Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Malware and Vir...

Computer Science13 min read

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💡 General

Core

105Antivirus Software

Antivirus Software Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Antivirus Softwa...

Computer Science14 min read

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💡 General

Core

106Backing Up Files

Backing Up Files Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Backing Up Files! ...

Computer Science13 min read

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💡 General

Core

107Cloud Storage Basics

Cloud Storage Basics Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Cloud Storage ...

Computer Science13 min read

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📱 Mobile

Core

108Indian Apps and Digital Culture

Indian Apps and Digital Culture Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Ind...

Computer Science14 min read

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💡 General

Core

109UPI and Digital Payments

UPI and Digital Payments Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on UPI and Di...

Computer Science14 min read

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📱 Mobile

Core

110Educational Apps from India

Educational Apps from India Prerequisites: Grade 3 foundational concepts Welcome to this comprehensive lesson on Educati...

Computer Science14 min read

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🏆 Grade 4 Quiz — 772 Questions

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