VexCode Vr - Pen Tool Quiz

Which of the following blocks is

used to repeat the blocks inside of it for a set number of times?

• 'Forever' block

• 'Repeat' block

• 'wait until' block

• 'Break' block

True or False: The [Repeat] block

can accept decimals as parameters.

• True

• False

True or False: Conditions, like the number of times repeated, are used to end a [Repeat] block.

• True

• False

Which of the following describes

why a [Repeat] block would be used in a project?

• To repeat certain blocks forever.

• To save space and time for blocks that repeat more than once in a project.

• To only run a stack of blocks one time.

• To run an attached stack of blocks when the project is started.

Describe how the VR Robot will

move in this project.

• The VR Robot will set the pen down, then drive forward for 200 mm and turn right for 90 degrees, and repeat this 4 times in order to draw a square.

• The VR Robot will set the pen down and draw a straight line for 200 millimeters (mm) and then turn right for 90 degrees.

• The VR Robot will set the pen up and down four times before driving forward and then turn right 90 degrees.

• The VR Robot will set the pen down and drive forward one time for 200 millimeters (mm) before turning 90 degrees four times.

Which of the following blocks is

used to lift up the VEX VR Pen?

• [Set Pen color] block

• [Set print color] block

• [Move robot pen] block

• [Set print precision] block

What color lines can the VEX VR Pen

NOT draw?

• Yellow

• Green

• Blue

• Red

What is the first step in coding

the VR Robot to move the VR Pen down to draw a black line?

• [Drive for] block set to 2000 millimeters (mm).

• Drag the [Turn for] block into the workspace and set the parameter to "400 millimeters (mm)".

• Drag the [move robot pen] block into the workspace and use the drop-down menu to set the position to "down".

• Drag the [move robot pen] block into the workspace and use the drop-down menu to set the position to "up".

What types of values can the [Repeat] block accept as parameters?

• Decimal values.

• Negative values.

• words or text.

• Integers.

This project was used to draw a

house on the Art Canvas Playground, but it does not work correctly. What is the

error?

• The [move robot pen] block should be at the bottom of the project.

• The [Repeat] block was set to three, but it should be set to four in order to draw the square portion of the house.

• There is no need for the [Repeat] block, as the VR Robot should only drive forward and turn once.

• The [Drive for] blocks should be replaced with [Drive] blocks.