Chapter 13 of 19

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Tamil Nadu (TNBSE)Class 7 Science★ 3-6 marks in the TN Class 7 Term 2 exam through book-back MCQs and short answers on software tools

Digital Painting

Samacheer Kalvi (TN State Board) Class 7 Science — Term 2 Chapter 6, Digital Painting. The Tux Paint drawing software and its tools (brush, line, magic, stamp) and shortcut keys, and the Tux Math arithmetic game, with the actual book-back questions, common mistakes and quick revision.

⏱ 13 min readEasy difficulty✓ Free · NCERT-aligned

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The chapter at a glance

Every concept and exam-favourite branch — revisable in 5 minutes.

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Study Guide

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Key points, glossary and the questions most likely to show up.

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By the end of this chapter you'll be able to…

1Use the Tux Paint drawing tools
2Apply the shortcut keys (undo, save, print)
3Identify the brush, line, magic and stamp tools
4Describe Tux Math and its levels
5Start, open and save a drawing

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Why this chapter matters

Digital Painting builds basic computer skills with drawing software and learning games. The Tux Paint tools and shortcut keys and Tux Math are directly tested book-back content in the TN Class 7 Term 2 exam.

Before you start — revise these

A 5-minute refresher here will save you 30 minutes of confusion below.

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Term 1 — Visual Communication

Graphics basics.

Digital Painting — Class 7 Science (Samacheer Kalvi)

TN State Board (Samacheer Kalvi) Class 7 Science, Term 2 — Chapter 6 (Computer Science). Drawing with Tux Paint and learning with Tux Math.

1. About this chapter

This chapter covers Tux Paint (a drawing program) — its tools and shortcut keys — and Tux Math, a game for learning arithmetic.

2. Tux Paint

Tux Paint is open-source software used to paint and draw. When it first loads, a "startup" screen appears.
The toolbar on the left side holds the drawing and editing controls:

Tool	Use
Brush	freehand drawing
Line	draw straight lines
Magic	a set of special effects
Stamp	works like rubber stamps / stickers
New	start a new drawing
Open	open an existing file

Shortcut keys: Ctrl + Z = undo, Ctrl + S = save, Ctrl + P = print.

3. Tux Math

Tux Math is an open-source, arcade-style video game for learning arithmetic.
Its levels include Space Cadet (simple addition) and Scout (addition and subtraction up to ten).

4. Worked examples

Example 1. What is the shortcut key for undo? Ctrl + Z.

Example 2. Which tool works like a sticker? The stamp tool.

Example 3. What does Tux Math help you learn? Arithmetic.

5. Book-back questions (Samacheer Kalvi)

I. Choose the correct answer

Tux Paint software is used to — (a) paint / (b) type. Ans: (a) paint.
The shortcut key for undo is — (a) Ctrl + Z / (b) Ctrl + P. Ans: (a) Ctrl + Z.
The shortcut key for printing is — (a) Ctrl + S / (b) Ctrl + P. Ans: (b) Ctrl + P.
The tool that works like a rubber stamp is the — (a) brush / (b) stamp. Ans: (b) stamp.
Tux Math helps in learning — (a) spelling / (b) arithmetic. Ans: (b) arithmetic.

II. Fill in the blanks 6. When Tux Paint first loads, a startup screen appears. 7. The brush tool helps us to draw freehand. 8. The line tool is used to draw lines. 9. Clicking the new button starts a new drawing.

III. Answer briefly 10. What is Tux Math? — An open-source, arcade-style video game for learning arithmetic. 11. What is the shortcut key for the Save option? — Ctrl + S.

6. Common mistakes

Mistake: Confusing the undo and print shortcuts. Fix: Ctrl + Z = undo; Ctrl + P = print; Ctrl + S = save.
Mistake: Mixing up the brush and line tools. Fix: Brush = freehand; line = straight lines.
Mistake: Thinking Tux Math teaches drawing. Fix: Tux Paint is for drawing; Tux Math is for arithmetic.

7. Quick revision

Term 2 · Ch 6 · digital painting.
Tux Paint = drawing software; left-side toolbar; tools: brush (freehand), line, magic (effects), stamp (stickers), new, open.
Shortcuts: Ctrl + Z (undo), Ctrl + S (save), Ctrl + P (print).
Tux Math = arcade game for arithmetic; levels Space Cadet (addition) and Scout (add/subtract to ten).

Key formulas & results

Everything you need to memorise, in one card. Screenshot this for revision.

Tux Paint

drawing software; left-side toolbar

Startup screen on load.

Tools

brush (freehand), line, magic (effects), stamp (stickers)

New and Open too.

Shortcuts

Ctrl+Z undo, Ctrl+S save, Ctrl+P print

Common keys.

Tux Math

arcade game for arithmetic

Space Cadet, Scout levels.

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Common mistakes & fixes

These are the exact errors that cost students marks in board exams. Read them once, save yourself the trouble.

WATCH OUT

✗ Confusing the undo and print shortcuts

✓ Ctrl + Z = undo; Ctrl + P = print; Ctrl + S = save.

WATCH OUT

✗ Mixing up the brush and line tools

✓ Brush = freehand; line = straight lines.

WATCH OUT

✗ Thinking Tux Math teaches drawing

✓ Tux Paint is for drawing; Tux Math is for arithmetic.

NCERT exercises (with solutions)

Every NCERT exercise from this chapter — what it covers and how many questions to expect.

Choose the correct answer

Book-back MCQs on Tux Paint, shortcuts, the stamp tool and Tux Math.

Questions

Fill in the blanks

Startup screen, brush, line and new button.

Questions

Answer briefly

Tux Math and the save shortcut.

Questions

Practice problems

Try each one yourself before tapping "Show solution". Active recall > rereading.

Q1EASY· MCQ

Tux Paint software is used to ____.

▶ Show solution

paint (draw).

Q2EASY· MCQ

The shortcut key for undo is ____.

▶ Show solution

Ctrl + Z.

Q3EASY· MCQ

The tool that works like a rubber stamp is the ____.

▶ Show solution

stamp tool.

Q4EASY· Fill in the blanks

The ____ tool helps us to draw freehand.

▶ Show solution

brush.

Q5EASY· Answer briefly

What is the shortcut key for the Save option?

▶ Show solution

Ctrl + S.

Q6EASY· Answer briefly

What is Tux Math?

▶ Show solution

An open-source, arcade-style video game that helps students learn arithmetic, with levels such as Space Cadet (addition) and Scout (addition and subtraction up to ten).

5-minute revision

The whole chapter, distilled. Read this the night before the exam.

•Term 2 Chapter 6 of Samacheer Kalvi Class 7 Science (Computer Science).
•Tux Paint is drawing software with its toolbar on the left side.
•Tools: brush (freehand), line (straight lines), magic (effects), stamp (stickers), new, open.
•Shortcuts: Ctrl + Z (undo), Ctrl + S (save), Ctrl + P (print).
•A startup screen appears when Tux Paint first loads.
•Tux Math is an arcade game for arithmetic with levels like Space Cadet and Scout.

Tamil Nadu (TNBSE) marks blueprint

Where the marks come from in this chapter — so you can plan your prep.

Typical chapter weightage: 3-6 marks across book-back MCQ and short answers

Question type	Marks each	Typical count	What it tests
MCQ / Fill	1	4-6	Tools and shortcuts
Short Answer	2	1	Tux Math

Prep strategy

Memorise Ctrl+Z, Ctrl+S, Ctrl+P
Match each tool to its use
Separate Tux Paint (draw) and Tux Math (arithmetic)
Practise using the software

Where this shows up in the real world

This chapter isn't just an exam topic — it lives in the world around you.

Creativity

Tux Paint lets children draw and design on a computer.

Learning games

Tux Math makes practising arithmetic fun.

Computer skills

Shortcut keys speed up everyday computer use.

Exam strategy

Battle-tested tips from teachers and toppers for this chapter.

Recall the three main shortcuts
Match tools to their functions
Separate the two software by purpose
Name a Tux Math level

Going beyond the textbook

For olympiad aspirants and curious learners — topics that build on this chapter.

List five shortcut keys used in most drawing programs.
Design a simple picture and list the Tux Paint tools you would use.

Where else this chapter is tested

CBSE board isn't the only one — other exams test this chapter too.

TN Class 7 Term 2 ExamMedium

Computer / ICT testsMedium

School unit testsHigh

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Questions students ask

The real ones — pulled from the Q&A community and tutor sessions.

Tux Paint is drawing software for painting and editing pictures, while Tux Math is an arcade-style game for practising arithmetic such as addition and subtraction.

The magic tool, which contains a set of special effects that can be applied to a drawing.

Practice more, ask doubts, find a tutor

Tamil Nadu (TNBSE) Class 7 mock tests

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