Class 7 CT & AI — Algorithmic Thinking: Flowcharts, Grid Navigation & Logical Operations | Worksheet 2026-27

AI Logic School · Class 7 CT & AI · Algorithmic Thinking · CBSE 2025-26
Flowcharts, grid navigation, and multi-step logical operations explained simply for Class 7 students. Includes full worksheet with 40 questions, MCQs and case studies.

Class 7 Algorithmic Thinking Flowchart Grid Navigation Logical Operations CT & AI CBSE Worksheet 2025-26

📘 AI Logic School · Class 7 · CT & AI · 2025-26

Algorithmic Thinking 🧠
Flowcharts, Grid Navigation
& Logical Operations

Learn how to think like a computer — step by step, with flowcharts, maps, and fun logic puzzles!

40Questions

10MCQs

20VSA

3Case Studies

FreePDF

📖 What is an Algorithm?

An algorithm is a step-by-step set of instructions to solve a problem or complete a task. Just like a recipe tells you how to make a dish, an algorithm tells a computer exactly what to do — in order, one step at a time.

🍳

Real Life Example

Making Maggi noodles is an algorithm! Boil water → Add noodles → Wait 2 minutes → Add masala → Stir → Serve. Every step is in order!

🖥️

Computer Algorithm

When you search on Google, an algorithm finds the best answer. When you play a game, an algorithm makes the enemy move. Algorithms are everywhere!

✅

3 Properties of Algorithm

1. Clear: Every step must be simple and easy to understand.
2. Finite: It must have a definite end.
3. Correct: It must solve the problem!

💡 Remember: An algorithm is written in simple English (or Hindi!), not in code. When you write it in a programming language, it becomes a program.

📊 Flowcharts — Drawing Your Algorithm

A flowchart is a diagram that shows the steps of an algorithm using special shapes and arrows. Instead of writing steps in words, we draw them as a picture — making them easier to understand!

Shape	Name	Used For	Example
Oval	Terminal	Start or End of flowchart	START / STOP
Rectangle	Process	An action or instruction	Add 5 to number
Diamond	Decision	YES or NO question	Is number > 10?
Parallel	Input / Output	Taking input or showing output	Enter your age / Print result
→ Arrow	Flow Line	Shows direction of steps	Connects all shapes

🌟 Example Flowchart — Check if a Number is Even or Odd

START ↓ Enter a number (N) ↓

Is N ÷ 2
remainder = 0?

YES ↓
Print "EVEN"

NO ↓
Print "ODD"

↓ STOP

Fig 1: Flowchart to check Even or Odd number

✅ Quick Tip: Always start with the Oval (START) shape and end with the Oval (STOP) shape. The Diamond shape always has TWO exits — YES and NO!

🗺️ Grid Navigation — Moving on a Map

In grid navigation, we use a grid (like a chessboard) to move from one place to another following specific instructions. This teaches us to write precise step-by-step directions — a core part of algorithmic thinking!

↑↓←→

Direction Commands

UP / DOWN / LEFT / RIGHT — These are the basic commands. Each command moves the character exactly ONE step in that direction.

🔄

Loop in Navigation

If you need to go RIGHT 4 times, instead of writing RIGHT, RIGHT, RIGHT, RIGHT — you can write REPEAT 4 times: RIGHT. That's a loop!

🚧

Obstacles

Sometimes there are walls or blocks on the grid. You must write alternative paths to avoid them — just like a GPS reroutes when there's traffic!

🧩 Grid Example — Help Robo reach the Star!

🤖
START

→

🧱

↓

🧱

↓

→

↓

→

⭐
END

Algorithm: RIGHT, RIGHT → DOWN → DOWN → RIGHT, RIGHT → DOWN → RIGHT, RIGHT → Reach ⭐

🧱 = Wall (cannot pass) | 🟣 = Path taken | Robo must avoid all walls!

🔢 Multi-Step Logical Operations

Multi-step logical operations means solving a problem by breaking it into smaller steps and using conditions (IF-THEN-ELSE) and loops (REPEAT). This is how all computer programs work!

❓

IF-THEN-ELSE

IF it is raining THEN take an umbrella ELSE wear sunglasses. The computer makes decisions the same way!

🔄

LOOP (REPEAT)

If you want to print "Hello" 5 times, use a loop: REPEAT 5 times → Print "Hello". Much faster than writing it 5 times!

📋

Sequence

Steps that happen one after another in order. Like getting ready for school: Wake up → Brush teeth → Get dressed → Eat breakfast → Go!

🌟 The 3 Building Blocks of Any Algorithm:
1. Sequence — Do steps in order
2. Selection — Make a decision (IF-ELSE)
3. Repetition — Repeat steps (LOOP)

📝 Example — Algorithm for School Morning Routine

1 START

2 Wake up at 6:30 AM

3 Brush teeth and freshen up

4 IF it is raining THEN pack umbrella ELSE pack sunscreen DECISION

5 REPEAT for each subject: Check if book is packed → IF not packed THEN pack it LOOP

6 Eat breakfast

7 Leave for school

8 STOP

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📋 Class 7 Worksheet — Algorithmic Thinking

Flowcharts · Grid Navigation · Multi-Step Logical Operations | CBSE CT & AI 2025-26

📚 Class: VII ⏱️ Time: 45 Minutes 📝 Total Marks: 40 🏫 AI Logic School

📝 SECTION A — Very Short Answer Questions (20 × 1 = 20 Marks)

Answer in ONE word or ONE sentence only.

Q1 What is an algorithm?

Q2 Name the shape used for START and STOP in a flowchart.

Q3 What shape is used for a DECISION (YES/NO question) in a flowchart?

Q4 How many exits does a Decision (Diamond) shape have?

Q5 Name the shape used for INPUT and OUTPUT in a flowchart.

Q6 What does a LOOP do in an algorithm?

Q7 Write the three building blocks of any algorithm.

Q8 In grid navigation, which 4 commands are used to move?

Q9 What is a flowchart?

Q10 Robo is at position (1,1). After 2 steps RIGHT and 1 step DOWN, what is its new position?

Q11 Name the flowchart shape used for processing/actions.

Q12 What does IF-THEN-ELSE represent in an algorithm?

Q13 Write a real-life example of an algorithm (other than Maggi).

Q14 What connects all shapes in a flowchart?

Q15 An algorithm must have a definite ________ (beginning/end/both).

Q16 What is the difference between an algorithm and a program?

Q17 In a grid, Robo moves RIGHT 3 times. Write this as a LOOP instruction.

Q18 Give one example where you use SEQUENCE in daily life.

Q19 What colour/shape represents STOP in most flowchart tools?

Q20 Can an algorithm have BOTH a loop AND a decision? (Yes/No)

✅ SECTION B — Multiple Choice Questions (10 × 1 = 10 Marks)

Circle or tick the correct option.

Q21 Which shape is used for START and STOP in a flowchart?

Rectangle

Diamond

Oval / Ellipse ✓

Arrow

Q22 In grid navigation, which command moves you one step upward?

DOWN

RIGHT

LEFT

UP ✓

Q23 "REPEAT 5 times: Print Hello" is an example of which building block?

Sequence

Selection

Repetition / Loop ✓

Decision

Q24 Which of these is NOT a property of a good algorithm?

Clear steps

Definite end

Written in Python ✓

Correct output

Q25 A diamond shape in a flowchart represents:

Input / Output

Start / Stop

Process / Action

Decision (YES/NO) ✓

Q26 Robo starts at (1,1). It goes RIGHT 2, then DOWN 2. Where does it end?

(1,3)

(3,3) ✓

(2,2)

(3,1)

Q27 "IF marks ≥ 33 THEN Pass ELSE Fail" — which building block is this?

Repetition

Sequence

Selection ✓

Loop

Q28 Which of the following best describes a flowchart?

A type of computer program

A diagram showing algorithm steps using shapes ✓

A mathematical formula

A grid map

Q29 In a flowchart, what connects all shapes to show direction?

Rectangles

Diamonds

Arrows / Flow Lines ✓

Ovals

Q30 How many steps in the algorithm: "Brush teeth → Wash face → Comb hair"?

3 ✓

🔍 SECTION C — Case-Based Questions (3 Cases × ~3-4 Marks = 10 Marks)

🤖 Case 1: Robo the Delivery Bot

Robo is a delivery robot in a 5×5 warehouse grid. It starts at position Row 1, Column 1 (top-left corner). The exit is at Row 5, Column 5 (bottom-right corner). There are walls at Row 1 Column 4, Row 2 Column 4, and Row 3 Column 2. Robo can only move RIGHT or DOWN. If it hits a wall, it must find a different path.

Q31 Write a step-by-step algorithm for Robo to reach the exit avoiding all walls.

Q32 How many total steps does Robo take in your algorithm?

Q33 If Robo is told "REPEAT 4 times: Move RIGHT" from position (1,1) — where will it end up? Can it do this without hitting a wall?

📚 Case 2: The Smart Library System

A school library uses an algorithm to help students find books. When a student enters the library: First, the system asks "Do you know the book name?" — If YES, it searches by name and shows the location. If NO, it asks "Which subject?" — then shows all books of that subject. Finally, it checks "Is the book available?" — If YES, the book is issued. If NO, it shows the return date.

Q34 How many DECISION steps are in this library algorithm?

Q35 Draw a simple flowchart for the library system described above. Label all shapes correctly.

Draw your flowchart here ✏️

Q36 Name one building block (Sequence/Selection/Repetition) used in the library algorithm and explain why.

🌡️ Case 3: The Temperature Alert Algorithm

A smart weather app uses an algorithm to give advice based on temperature. It reads the current temperature. If temperature > 40°C → it shows "Drink water and stay indoors 🌡️". If temperature is between 25°C and 40°C → it shows "Good weather, enjoy outdoors! ☀️". If temperature < 25°C → it shows "Wear warm clothes 🧥". The app checks the temperature every hour and repeats this process all day.

Q37 Which building block is used when "the app checks temperature every hour all day"?

Q38 Write the IF-THEN-ELSE structure for this temperature algorithm.

Q39 The temperature is 38°C. What message will the app show? Which condition matched?

Q40 Name one real-life app or device that might use a similar temperature algorithm.

🔑 Answer Key — Click to Reveal (For Teachers) ▼

📌 Section A — Very Short Answers

Q1A step-by-step set of instructions to solve a problem.

Q2Oval / Ellipse (Terminal shape)

Q3Diamond shape

Q4Two exits — YES and NO

Q5Parallelogram (slanted rectangle)

Q6A loop repeats a set of steps multiple times.

Q7Sequence, Selection (Decision), Repetition (Loop)

Q8UP, DOWN, LEFT, RIGHT

Q9A diagram that shows algorithm steps using shapes and arrows.

Q10(3,2) — Column becomes 1+2=3, Row becomes 1+1=2

Q11Rectangle

Q12Selection — making a decision / conditional step

Q13Accept any valid answer: Tying shoelaces, Making tea, Brushing teeth, etc.

Q14Flow lines / Arrows

Q15Both (a definite beginning AND a definite end)

Q16Algorithm is written in simple English; a program is written in a coding language like Python.

Q17REPEAT 3 times: Move RIGHT

Q18Accept any: Getting dressed, Cooking, Washing hands, etc.

Q19Oval / Ellipse (same as START shape)

Q20Yes — algorithms often use both loops and decisions.

✅ Section B — MCQ Answers

Q21 C — Oval

Q22 D — UP

Q23 C — Repetition

Q24 C — Python

Q25 D — Decision

Q26 B — (3,3)

Q27 C — Selection

Q28 B — Diagram

Q29 C — Arrows

Q30 C — 3 steps

🔍 Section C — Case-Based Answers

Q31RIGHT, RIGHT, RIGHT → DOWN → DOWN → RIGHT → DOWN, DOWN → RIGHT (avoiding walls at R1C4, R2C4, R3C2)

Q32Accept any valid path count — minimum 8 steps

Q33(1,5) — Robo reaches column 5. It cannot do this without hitting the wall at Column 4, Row 1.

Q343 decision steps: "Know book name?", "Which subject?", "Book available?"

Q35Flowchart: START(Oval) → Ask book name?(Diamond) → YES: Search by name(Rect) / NO: Ask subject(Rect) → Check available?(Diamond) → YES: Issue book / NO: Show return date → STOP(Oval)

Q36Selection — because IF-THEN-ELSE decisions are used to choose different paths based on student input.

Q37Repetition (Loop) — "checks every hour all day" = repeat the process

Q38IF temp > 40 THEN "Drink water, stay indoors" ELSE IF temp ≥ 25 THEN "Good weather" ELSE "Wear warm clothes"

Q3938°C is between 25°C and 40°C → Message: "Good weather, enjoy outdoors! ☀️"

Q40Accept any: Air conditioner (AC), Smart thermostat, Weather app, Geyser/water heater

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A Story of Numbers | Binary, Decimal & Ternary | Class 8 Computational Thinking

A Story of Numbers | Class 8 CT | AI Logic School

📚 Class 8 · Computational Thinking · Chapter 3

A Story of Numbers 🔢

Binary, Ternary & the Secret Language of Computers — explained with toffees, light switches & pizza!

🖥️ Binary 🔢 Number Systems 🧮 Base-10 / Base-2 / Base-3 💡 CT Concept

Have you ever wondered why computers only use 0 and 1? Or why we count in tens? This chapter uncovers the fascinating world of number systems — and it all starts with a simple question: what if we counted differently?

By the end of this post, you'll be able to convert numbers to binary and ternary, and understand the logic behind how computers store information. 🚀

🛒

System 01Decimal (Base-10) — What You Already Know

Every day, you count in decimal — prices at the canteen, your exam marks, cricket scores. Decimal uses base 10, which means we count up to 10 before we move to the next place.

🔑 The Rule

Base-10 uses 10 digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Place values are powers of 10: 1, 10, 100, 1000...

🛒 Real Life Example — Toffees!

You have 66 toffees. Group them: 6 groups of 10 = 60, plus 6 singles = 6. Total = 66. That's exactly how the tens and ones place works in decimal!

💡 THE PIPE ANALOGY — Measuring 66 Inches

Pipe Size	100 inch	10 inch	1 inch
How many?	0	6	6
Value	0	60	6

✅ Total pipes used: 12 pipes (6 tens + 6 ones)

💡

System 02Binary (Base-2) — The Language of Computers

Computers are made of millions of tiny switches (transistors). Each switch is either ON or OFF. That gives us exactly 2 states — which is why computers speak binary!

💡

Light Switch

ON = 1, OFF = 0
7 switches = 7-digit binary number!

🚪

Open/Closed Door

Open = 1, Closed = 0
Row of doors = binary code

🔋

Battery Charged?

Yes = 1, No = 0
Just like a bit in memory!

🔑 The Rule

Base-2 uses only 2 digits: 0 and 1
Place values are powers of 2: 1, 2, 4, 8, 16, 32, 64...

🔢 How to Convert: Decimal → Binary

Find the largest power of 2 that fits

For 55: powers of 2 are 1, 2, 4, 8, 16, 32, 64... Largest that fits = 32

Subtract and repeat

55 − 32 = 23 → 23 − 16 = 7 → 7 − 4 = 3 → 3 − 2 = 1 → 1 − 1 = 0 ✅

Mark 1 where used, 0 where not

Put a 1 under each power you used, 0 under those you skipped.

🔢 EXAMPLE: Convert 55 to Binary

Power of 2	2⁶=64	2⁵=32	2⁴=16	2³=8	2²=4	2¹=2	2⁰=1
Bit (0 or 1)	0	1	1	0	1	1	1

✅ 55 in Binary = (110111)₂

Check: 32+16+4+2+1 = 55 ✔

🔢 TRY IT: Convert 66 to Binary

Power of 2	2⁶=64	2⁵=32	2⁴=16	2³=8	2²=4	2¹=2	2⁰=1
Bit (0 or 1)	1	0	0	0	0	1	0

✅ 66 = 64 + 2 → Binary = (1000010)₂

🤔 Why Can't We Use "2" in Binary?

In binary, we only have 2 digits (0 and 1). Using "2" would mean "take a whole group of 2" — but that's what the NEXT place is for! The digit 2 simply doesn't exist in base-2, just like digit 10 doesn't exist in decimal as a single digit.

🚦

System 03Ternary (Base-3) — Three's a Crowd!

What if we had 3 possible states instead of 2? Welcome to ternary — base-3! While not used in everyday computers, it shows us that the rules of number systems work for any base.

🚦

Traffic Light

Red=0, Yellow=1, Green=2
3 states → Base-3!

🎮

Game Lives

No lives=0, One=1, Max=2
A 3-state system!

🌡️

Temperature

Cold=0, Warm=1, Hot=2
3 categories = ternary logic!

🔑 The Rule

Base-3 uses 3 digits: 0, 1, 2
Place values are powers of 3: 1, 3, 9, 27, 81...

🔢 EXAMPLE: Convert 55 to Ternary

Power of 3	3³=27	3²=9	3¹=3	3⁰=1
Digit (0,1,2)	2	0	0	1

✅ 55 = 2×27 + 0×9 + 0×3 + 1×1 → Ternary = (2001)₃

🔢 TRY IT: Convert 66 to Ternary

Power of 3	3⁴=81	3³=27	3²=9	3¹=3	3⁰=1
Digit	0	2	2	1	0

✅ 66 = 2×27 + 2×9 + 1×3 + 0 = 54+18+3 → Ternary = (2210)₃

📊

System 04Comparison — Same Number, Different Looks!

Here's the magic: the number 55 is always 55 — it represents the same quantity. But it looks completely different depending on which base you use!

Number	Decimal (Base-10)	Binary (Base-2)	Ternary (Base-3)
Seven	7	111	21
Ten	10	1010	101
Thirteen	13	1101	111
Fifty-five	55	110111	2001
Sixty-six	66	1000010	2210
One hundred	100	1100100	10201

🧠 Key Concepts Summary

A number system with base n uses exactly n digits: 0 to (n−1)
Place values are always powers of the base (n⁰, n¹, n², n³...)
The same number can be written in many ways depending on the base
Computers choose binary because hardware easily represents 2 states (on/off)
To convert: find which powers of the base add up to give your number

🌐

Hexadecimal (Base-16)

Web colors like #FF5733 are in base-16! Digits go 0–9 then A–F.

🕐

Time Uses Base-60!

60 seconds = 1 minute, 60 minutes = 1 hour. That's base-60 from ancient Babylon!

📱

Your Phone's Memory

All photos, texts, videos — stored as millions of 0s and 1s in binary!

🧬

DNA Uses Base-4!

DNA stores genetic info using 4 bases: A, T, G, C — nature's own number system!

🎯 Quick Quiz — Test Yourself!

Click an option to check your answer. How many can you get right?

Q1. What is the binary representation of 10?

A 1111

B 1010

C 1000

D 1100

Q2. Which binary pipes measure a height of 66 inches?

A 63 and 3

B 32, 16, 8, 4, 2, 1, 2, 1

C 64 and 2

D 32, 32 and 2

Q3. What is the largest digit you can use in base-3 (ternary)?

A 3

B 2

C 1

D 9

Q4. If a number system uses base-n, how many distinct digits does it need?

A n+1 digits (1 to n)

B n-1 digits (0 to n-2)

C n digits (0 to n-1)

D Depends on the number

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Class 9 Employability Skills | Unit 2 Self-Management Skills | Notes + Worksheet + PPT | Free Download | 2026-27

CBSE · Employability Skills · Class IX · Unit 2 · 2026-27

🧠 Self-Management Skills
Class 9 — Complete Study Package

Notes PDF · Worksheet (51 Marks) · PowerPoint Slides · All FREE to Download

✅ CBSE Aligned 📘 Detailed Notes 📋 51-Mark Worksheet 📊 PPT Slides 🎯 MCQ + Case Study 📥 Free Download

📘 Download Study Notes PDF — FREE 📋 Download Worksheet PDF — FREE 📊 Download PowerPoint Slides — FREE

Google Drive · No login required · Completely Free

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Free Download Pack — Class 9 Self-Management Skills | Unit 2 | 2026-27

3 files in one pack: Detailed Study Notes · 51-Mark Worksheet with Answer Key · 8-Slide PowerPoint Presentation. Based on official CBSE Employability Skills syllabus — common to all skill subjects.

📘 Study Notes PDF 📋 Worksheet PDF 📊 PPT Slides 📲 Telegram

Topics Covered

MCQ Questions

Short Answer Qs

Case Studies

PPT Slides

Total Marks

📋 Syllabus Topics — Unit 2: Self-Management Skills – II

Based on the official CBSE Employability Skills Class IX syllabus (2026-27). Unit 2 is common to all CBSE skill subjects — AI, IT, Web Application, Healthcare, Agriculture and more.

Topic 1

What is Self-Management?

Definition, importance, how it makes you punctual, disciplined and organised. Three core aspects: Positive Thinking, Result Orientation, Self-Awareness.

Topic 2

Motivation & Positive Attitude

What is motivation? Intrinsic vs Extrinsic. How to maintain positive attitude — affirmations, exercise, healthy diet, adequate sleep, organise.

Topic 3

Goal Setting & SMART Goals

What is goal setting? The SMART framework — Specific, Measurable, Achievable, Relevant, Time-bound. Real-life examples.

Topic 4

Stress Management

What is stress? How to manage — talk to someone, exercise, yoga, organise work, deep breathing, sleep, hobbies.

Topic 5

Self-Awareness

Know your strengths and weaknesses. Steps — be aware of emotions, track feelings, expand awareness, use strengths wisely.

🧠 Topic 1 — What is Self-Management?

Definition: Self-Management is the ability to regulate your emotions, thoughts, and behaviour effectively in different situations so you can achieve the best results in life.

Core Aspect 1

💡 Positive Thinking

Believing in your ability to get things done and stay happy. Saying 'I can do this' instead of 'I can't'.

Core Aspect 2

🎯 Result Orientation

Aiming high and staying focused on desired goals. Example: Setting a target of 90% marks and working towards it.

Core Aspect 3

🪞 Self-Awareness

Knowing your strengths and weaknesses clearly. Example: 'I am good at Maths but need to improve English.'

💡 Topic 2 — Motivation & Positive Attitude

😊 Intrinsic Motivation

From WITHIN — doing something because you enjoy it, feel satisfied, or find personal happiness. No external reward needed.

Example: Studying AI because you love technology and find it exciting.

🎖️ Extrinsic Motivation

From OUTSIDE — external rewards like money, recognition, prizes or appreciation drive the action.

Example: Studying hard to win a scholarship or get a prize from parents.

💡 How to maintain Positive Attitude: Start day with affirmations · Read motivating books · Focus on solutions not problems · Do yoga and exercise · Get 7+ hours of sleep · Learn from failure and keep going!

🎯 Topic 3 — Goal Setting & SMART Goals

Goal setting helps you identify what you want, how to achieve it, and how to measure success. Always use the SMART framework for effective goals!

Specific

Clear & well-defined goal

Measurable

Track with numbers

Achievable

Realistic & possible

Relevant

Matters to your life

Time-bound

Has a clear deadline

📌 Example SMART Goal: "I will score 85% in all subjects in the March 2026 board exam by studying 3 hours daily and completing 2 past papers every weekend."

😤 Topic 4 — Stress Management

Stress = A state of feeling upset, hopeless or unable to achieve goals. It affects both mental and physical health. The good news — stress CAN be managed!

🗣️

Talk to Someone

Share feelings with a trusted person

🏃

Exercise & Yoga

Reduces stress hormones naturally

📅

Organise Work

Timetable reduces anxiety

💨

Deep Breathing

Calms the nervous system

😴

Sleep 7+ Hours

Restores mental energy

🎨

Pursue Hobbies

Music, dance, painting

🪞 Topic 5 — Self-Awareness

Self-Awareness means understanding your own needs, desires, habits, feelings, strengths and weaknesses. It helps you understand yourself, others and the world more clearly.

Step	Action	How it Helps
1	Be aware of your emotions	Notice how you feel in different situations
2	Track and record feelings	Keep a journal or diary regularly
3	Expand awareness to all life areas	Studies, health, relationships, hobbies
4	Identify your strengths	Use them effectively to achieve goals
5	Acknowledge your weaknesses	Make a plan to improve them step by step

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🖥️ Preview — PowerPoint Slides (8 Slides)

View all 8 slides directly below. Click Open & Download PPT to get the editable file for classroom teaching.

📊 Open & Download PPT Slides — FREE

⚡ Quick Recap — All Topics at a Glance

🧠

Self-Management

Regulate emotions, thoughts and behaviour. Core aspects: Positive Thinking, Result Orientation, Self-Awareness.

💡

Motivation

Intrinsic (from within — enjoyment) vs Extrinsic (from outside — rewards). Both help achieve goals.

😊

Positive Attitude

Focus on solutions, not problems. Learn from failure. Exercise, sleep well, read motivating content.

🎯

SMART Goals

Specific · Measurable · Achievable · Relevant · Time-bound. Always use this framework for goal setting.

😤

Stress Management

Talk · Exercise · Organise · Breathe deeply · Sleep 7+ hours · Pursue hobbies · Stay positive.

🪞

Self-Awareness

Know your strengths and use them. Acknowledge weaknesses and improve. Track your emotions daily.

📊 Worksheet Marks Scheme

Section	Type	Questions	Marks Each	Total
A	Multiple Choice Questions (MCQ)	15	1	15
B	Short Answer Questions	10	2	20
C	Case-Based Questions (4 × 4 marks)	4	4	16
Grand Total				51 Marks

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Algorithmic Thinking 🧠Flowcharts, Grid Navigation& Logical Operations

Real Life Example

Computer Algorithm

3 Properties of Algorithm

Direction Commands

Loop in Navigation

Obstacles

IF-THEN-ELSE

LOOP (REPEAT)

Sequence

📥 Download Free PDF Worksheet

📋 Class 7 Worksheet — Algorithmic Thinking

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A Story of Numbers 🔢

In This Post

System 01Decimal (Base-10) — What You Already Know

💡 THE PIPE ANALOGY — Measuring 66 Inches

System 02Binary (Base-2) — The Language of Computers

Light Switch

Open/Closed Door

Battery Charged?

🔢 How to Convert: Decimal → Binary

Find the largest power of 2 that fits

Subtract and repeat

Mark 1 where used, 0 where not

🔢 EXAMPLE: Convert 55 to Binary

🔢 TRY IT: Convert 66 to Binary

System 03Ternary (Base-3) — Three's a Crowd!

Traffic Light

Game Lives

Temperature

🔢 EXAMPLE: Convert 55 to Ternary

🔢 TRY IT: Convert 66 to Ternary

System 04Comparison — Same Number, Different Looks!

🧠 Key Concepts Summary

Hexadecimal (Base-16)

Time Uses Base-60!

Your Phone's Memory

DNA Uses Base-4!

🎯 Quick Quiz — Test Yourself!

📥 Download Study Materials

🧠 Self-Management SkillsClass 9 — Complete Study Package

Free Download Pack — Class 9 Self-Management Skills | Unit 2 | 2026-27

📥 Download All 3 Files — Notes + Worksheet + PPT

⬇️ Click & Download — It's 100% FREE!

Algorithmic Thinking 🧠
Flowcharts, Grid Navigation
& Logical Operations

🧠 Self-Management Skills
Class 9 — Complete Study Package