Programming with Turtle Graphics Review 1

When using the circle() command, what value do we put inside the parentheses?

• The radius of the circle

• The center of the circle

• The diameter of the circle

• The width of the circle

When Tracy is facing right, from what location does she start drawing her circle?

• The top of the circle

• The bottom of the circle

• The left side of the circle

• The middle of the circle

How would I tell Tracy to move forward 100 pixels?

• forward 100

• move(100)

• Tracy, move forward 100 pixels

• forward(100)

How far does Tracy need to move from the starting position to reach the end of the right side of the canvas?

• 50 pixels

• 100 pixels

• 200 pixels

• 400 pixels

What are the dimensions of Tracy’s world?

• 200 pixels x 200 pixels

• 400 pixels x 200 pixels

• 400 pixels x 400 pixels

• 200 pixels x 400 pixels

If you want Tracy to move forward 100 pixels without making a line, what set of commands should you write?

• penup() forward(100)

• forward(100) penup()

• penup(100)

• forward(-100)

Which commands would move Tracy forward 100 pixels?

A. forward(100)

B. backward(-100)

C. forward(-100)

• A, B, and C

• A only

• B and C

• A and B

Where does Tracy always start in the grid world?

• At the (0,0) coordinate in the bottom left hand corner of the canvas

• At the (-200,-200) coordinate in the bottom left hand corner of the canvas

• At the (0,0) coordinate in the middle of the canvas

• At the (-200,-200) coordinate in the middle of the canvas

If Tracy is facing right, which of the following commands can be used to turn her to face up?

A. left(90)

B. turn(up)

C. right(270)

D. setposition(90)

• A only

• A and C

• A, B, and C

• A, B, C, and D

Tracy always starts facing which direction?

• North

• South

• East

• West