Worksheet No. 2 (Grade 3)

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Learn with Hafiza Palwasha

OXFORD (Book 3), KEYBOARD
Computer Science With Application Software (Third Edition).

Solution

Worksheet 2
Page No. 65 & 66

Page No. 65
Q No 1: Search for any five KTurtle commands in the following maze:
Solution:
First row: Leave first and last three letters = CANVASCOLOR
First column: Leave first and last seven letters = FORWARD
Thirteenth column: Leave first and last four letters = SPRITESHOW
Last column: Leave last six letters = TURNRIGHT
Fifth row: Leave first two and last five letters = PENWIDTH
Eighth row: Leave first two and last eight letters = RESET
Thirteenth row: Leave first and last six letters = PENCOLOR
Last row: Leave last seven letters = TURNLEFT

Page No. 65
Q No 2: Match the commands on the left with their actions on the right.
Solution:
a.   print 34 + 56                                            iii).   It prints 90
b.   turnright 120                                           iv).   It turns the turtle right by 120 degrees from the                                                                                                         previous position.
c.   direction 120                                            v).   It turns the turtle right by 120 degrees from the                                                                                                        starting position.
d.   forward 100                                             ii).   It moves the turtle by 100 units.
e.   spritehide                                                 i).    It hides the turtle.

Page No. 66
Q No 3: Complete the missing statements to draw a rectangle of size 60 steps by 100 steps. What is the colour of the rectangle you get? Draw a rectangle of the same colour in the given box.
Solution:
reset turnright 90
penwidth 5
pencolor 255, 0, 0
forward 60
turnright 90
forward 100
turnright 90
forward 60
turnright 90
forward 100
turnright 90

Page No. 66
Q No 4: Write the short form of the following commands.
Solution:
Command                    Short form
spriteshow                         ss
canvascolor                       cc
penwidth                           pw
direction                            dir
spritehide                          sh
turnright                           tr
turnleft                              tl
forward                             fw
backward                          bw
canvassize                         cs

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