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    A Collaborative Product from IIT Bombayand InOpen Technologies

    Please refer to the last page for copyright and license details

    www.computermasti.comin

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    ComputerLevel III

    ComputerBOOK-II

    EditorsSridhar IyerMalati Baru

    AuthorsFarida KhanUsha ViswanathanVijayalakshmi Chita

    Design

    Sameer SahasrabudheSwati Revandkar

    IllustrationsKaumudi Sahasrabudhe

    Created at:

    Department of Computer Science & EngineeringIndian Institute of Technology Bombay

    Mumbai, India.www.cse.iitb.ac.in

    Powered by:

    InOpen Technologies

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    Acknowledgements:This edition is a result of incorporating several suggestions by Sahana Murthy and Farida Khan. Weare thankful to Aruna Adil, Aruna Prabhala, Moushumi Pati, Neela Srinivasan and Srinath Perur,for their contribution to the preliminary content, prior to the rst edition. We are also thankful toVaijayanthi Sarma for her meticulous review during the rst edition. We acknowledge the supportprovided by Rekha Kale, Pravin Ingle, Vinod Bhalerao and Bhairavnath Lahotkar.We are grateful to IIT Bombay for support during the creation of this book. We are also grateful to the

    SSRVM Trust, especially the sta of SSRVM Mulund, for support during the pilot implementation.Last but not the least, the teachings of Sri Sri Ravishankar have been a major source of inspiration forthis book.

    About This Book

    This book has evolved out of contributions from many authors, bringing together a variety of creativeideas. The salient features of this book are:

    The book is based on a detailed Computer science syllabus that has been reviewed by many experts.This syllabus is available for download from www.computermasti.in

    Establishing clarity of thought and developing Computer uency is the main objective of ComputerMasti.

    Fun is an important element of learning.

    The lesson contents are woven around interactions between an imaginary teacher and two students.The teacher mostly asks questions that guide the students to discover and learn topics on their own.

    Each lesson focusses on specic concepts and associated skills. These concepts are selected such

    that: (i) They lay a strong foundation for learning Computers. (ii) They contribute towards generalintellectual development, and (iii) They are age appropriate.

    The Worksheets and Activities are designed in such a way that they supplement topics beingcovered in other subjects, to the extent possible. Group activities are included in each lesson toencourage collaborative learning. Projects are also suggested to reinforce the learning of topicsacross multiple lessons.

    21st century skills of critical thinking, collaboration, communication and creativity are addressedin the lesson content and supplementary activities.

    The book meets the standards suggested for continuous and comprehensive evaluation (Right ToEducation).

    The lessons and activities are based on free and open source software. The Computer Masti Toolkit(in the CD) is easy to install on commonly used operating systems.

    The book includes child friendly illustrations that are sensitive to body image and gender issues.

    Each Lesson has a Teachers Corner section, which gives a lesson plan outline, some dos and donts,and pointers to when each worksheet has to be given to students.

    Emphasis on healthy Computer practices are addressed in the lesson content and supplementaryactivities. Poster about these are available on the website. You can put these on the display boards.This would serve as quick reference and memory trigger for the students.

    The online (e-book) version is available freely for individual use, under the conditions describedearlier in the Copywrite Statement. You may download it from: www.computermasti.in

    Comments on the book and suggestions may be sent to Sridhar Iyer (sri@iitb.ac.in).

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    How To Use This BookThis book is meant to be used for teaching computers to children in a way that is mostly fun (asindicated by the Masti in the title). The teachers role is primarily that of a facilitator encouragingactive learning. Specic guidelines for each lesson can be found in the Teachers Corner of eachlesson. Ensure that the conceptual understanding is mastered before proceeding to the skills. Allow

    students to play educational computer games included in each lesson in order to reinforce learningof the concepts/skills covered in the lesson. In the computer lab, if they are doing activities in groups,ensure that they switch drivers frequently, so that each student gets to do a fair amount of thecomputer based activities. The Worksheets include exercises to inculcate higher order thinkingskills. Use the Group Activities and Projects to stimulate creativity and knowledge sharing. The bookis designed so that it can be covered comfortably in one year, with one class (30 to 45 minutes) perweek. See the table below for an overview of the concepts, skills and values covered in each lessonalong with a week wise schedule.

    LessonNo.

    Topic Name Concepts SkillsValues

    reinforcedWeeks

    1. Revision ofLevel II

    o Input and output.o Correct ways to use

    computers.

    o Organization and groupingof les.

    o Folders and le naming.o Text editing.o Start up and shut down.o Authentication.

    o Exercises for hand, neck,eye and shoulder.

    o Posture while using

    computers.o Create, move, drag drop of

    les and folders.o Using arrow, delete,

    backspace, caps lock keys.

    o Team work,sharing ofresources

    and beingcareful.

    1st - 4th

    2. Step-wiseThinking

    o Dierent steps involved inan activity.

    o Important of sequence ofthe steps in an activity.

    o Step wise instructionsgiven to a computer.

    o Breaking down and activityinto a list of main steps.

    o Identifying the detailedsteps of every main step.

    o Given the various tasks ofan activity, identify thesequence of tasks.

    o Groupactivityreinforcesstudentsto think ingroups andexchangeideas with

    each other.

    5th - 9th

    3. Introductionto scratch

    o Instructions within aprogram.

    o Construction of a programwith a set of instructions.

    o Using commands of motion,pen and sound blocks.

    o Write a script (program)using drag and drop ofgraphic blocks.

    o Execute the script and viewthe result in the stage area.

    o Reinforcescreativitywhileconstructinginnovativescripts.

    10th - 14th

    4. Asanaswhile usingComputers

    o Importance of exerciseswhile using computers.

    o Exercises for wrists, neck,eyes and spine.

    o Performingexercisestogetherand learningfrom eachother.

    15th - 18th

    REVISION 19th - 23rd

    5. SimpleAnimationwith Scratch

    o Control instructions in aprogram.

    o Loop and conditionalinstructions.

    o Construct a program byusing instructions of controlblock.

    o Changing background of aprogram.

    23rd - 27th

    6. Fun withTextProcessing

    o Text editing.o Formaing guidelines.

    Formaing text :o Bold, Italics, Underlineo Changing Font type, size

    and colour

    28th - 30th

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    Lists the topics covered in the lesson.

    Explains the concept discussed in that section of thelesson.

    Gives step by step instructions to do a task (on the computer)in the application being discussed.

    General recommendations that help to achieve a certaingoal.

    Provides information and/or additional details about a skillor concept.

    Lists the expected measurable learning objective to be aainedby the student aer learning the topic.

    Pages with this icon have Worksheets; that test extent to whichlearning objectives of the lesson are aained.

    Pages with this icon have Activities, which reinforce studentslearning.

    This icon represents aer class collaborative activities to bepresented later in the class for discussion and/or review.

    This image has tasks students can do to gain additionalknowledge on the topic of the lesson.

    Pages with this icon gives pointers to the teacher on how toteach the lesson.

    This icon points to a list of websites that can be referredfor self learning.

    Search Keyword, examples and Web site address.Black Italic text

    Bold black text New word introduction.

    Bold Orange text New Technical term introduction.

    Projects

    TeachersCorner

    Legends used in the book

    ExplanationIndicator

    CONCEPTS

    SKI

    LLS

    Guidelines

    Info

    mAi

    Learning

    Outcome

    AI

    1 2

    3 4

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    ComputerLevel III

    Contents

    Sr. No Name of the lesson Page Number

    0. Two Years Ago... 1

    1. Revision of Level II 2

    2. Step-wise Thinking 19

    3. Introduction to Scratch 35

    4. Asanas while using Computers 58

    5. Simple Animation with Scratch 75

    6. Fun with Text Processing 91

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    Two years ago...

    Jyoti and Tejas met Moz in the school computer lab. Since then they havehad a lot of fun learning about computers and the activities that can be

    done using computers. They have shared quite a few stories and also learntfrom each other. Moz has just returned from a vacation to Timbaktu andthe children are back from a visit at their grandparents.

    Jyoti: Moz, how was your trip toTimbaktu in Anantapur?Moz: Oh! So you know whereTimbaktu is. I