Tracy's World

How would I tell Tracy to move forward 100 pixels?

• forward 100

• move(100)

• Tracy, move forward 100 pixels

• forward(100)

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

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

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

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

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

• 100 pixels

• 200 pixels

• 400 pixels

• 500 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)

Tracy always starts facing which direction?

• up

• down

• right

• left

If Tracy started facing right, which direction would she be facing after we ran the following code?

• Up

• Down

• Right

• Left

If Tracy starts at the left edge of the canvas and moves forward 50 pixels, how many times will this code need to be repeated to have Tracy reach the right edge of the canvas?

• 4 times

• 8 times

• 10 times

• 50 times