Programming in LOGO

Programming in LOGO

Multiple Choice

What are the two main sections of MSWLogo?

• tools and menu bar

• the Screen and the Commander

• input and tools

Multiple Choice

The LOGO turtle is represented by a ____________.

• triangle

• square

• diamond

Multiple Choice

LOGO is a type of programming language that is used to move a __________ on the screen.

• car

• boat

• turtle

Multiple Choice

Which command moves the turtle 100 steps forward?

• go forward 100 steps

• fd 100

• fd 10*10

• fd 10

Multiple Choice

Which command turns the turtle 180° to the right?

• bk 180

• fd 180

• lt 180

• rt 180

Multiple Choice

We want to draw a square with sides of length 100. Choose the only one right command.

• fd 100 rt 90 fd 100

• repeat 2 [fd 100 rt 90]

• repeat 4 [fd 100 bk 100]

• repeat 4 [fd 100 rt 90]

Multiple Choice

If we want the turtle to return to the starting point, we use the _________ command.

• SHOWTURTLE

• GO BACK

• HOME

Multiple Choice

The turtle always points towards the _______________ of the screen.

• top

• bottom

• right

Multiple Choice

We want to draw rectangle with sides of length 100 and 50. Choose the only one right command.

• repeat 2 [fd 50 rt 90 fd 100 rt 90]

• fd 50 rt 90 fd 100 rt 90

• fd 100 lt 90 fd 100 rt 90

• repeat 4 [fd 50 bk 100]

Multiple Choice

Choose the only one right command to draw a equilateral triangle with sides of length 100.

• repeat 2 [fd 100 rt 90 bk 100]

• repeat 4 [fd 100 rt 90 fd 50]

• repeat 3 [fd 100 rt 120]

• fd 100 rt 120 fd 300 rt 240

Multiple Choice

Choose the only one right command to draw a pentagon with sides of length 100.

• repeat 5 [fd 100 rt 360/5]

• repeat 5 [fd 100 rt 120]

• repeat 3 [fd 100 rt 360/3]

• 5*fd 100

Multiple Choice

Choose the only one right command to draw a hexagon with sides of length 100.

• repeat 4 [fd 100 rt 360/5]

• repeat 6 [fd 100 rt 120]

• repeat 6 [fd 100 rt 360/6]

• repeat 3 [fd 100 rt 120]

Multiple Choice

Choose the only one right command to draw a pentagram with sides of length 100.

• repeat 5 [fd 100 rt 144]

• repeat 5 [fd 100 rt 36]

• repeat 5 [fd 100 rt 90]

• repeat 10 [fd 50 rt 14]

Multiple Choice

Choose the only one right command to draw a heptagon with sides of length 100.

• repeat 5 [fd 100 rt 360/6]

• repeat 6 [fd 100 rt 60]

• repeat 7 [fd 100 rt 360/7]

• repeat 8 [fd 100 rt 360/8]

Multiple Choice

Choose the only one right command to draw a octagon with sides of length 100.

• repeat 4 [fd 100 rt 90]

• repeat 8 [fd 100 lt 90]

• repeat 8 [fd 100 rt 360/8]

• repeat 8 [fd 100 bk 50]

Multiple Choice

To send commands to the turtle, you can press the ___________ key on the keyboard instead of clicking on the 'Execute' button.

• SPACE BAR

• SHIFT

• ENTER

Multiple Choice

This command is use for clearing the screen.

• CS

• ST

• CTS

Multiple Choice

Choose the only one right command to draw a nonagon with sides of length 100.

• fd 9 repeat 5

• repeat 5 [ fd 100 rt 5]

• repeat 9 [fd 100 rt 360/9]

• repeat 9 [fd 50 rt 50]

Multiple Choice

Choose the only one right command to draw a polygon with 15 sides of length 50.

• repeat 7 [fd 50 rt 70]

• repeat 15 [fd 50 rt 156]

• repeat 15 [fd 50 rt 360/15]

• repeat 15 [fd 70 rt 360/15]

Multiple Choice

Choose the only one right command to draw a circle with radius of 100.

• arc 180 100

• arc 240 100

• arc 360 100

• arc 360 180

Drawing a Flower

A Leaf

can be viewed as two arcs A and B that are glued together.

repeat 120 [fd 2 rt 1]

If we want to reach our initial position after having drawn the whole leaf, we will have to turn the turtle by 360◦ in total.

repeat 2 [repeat ANGLE [fd 2 rt 1] rt 180-ANGLE]

Circular Pattern

repeat PETEALS [repeat 2 [repeat ANGLE [fd 2 rt 1] rt 180-ANGLE] rt 360/PETEALS]