Code Crew G2 / Week 02 / Wednesday
3/6
Week 02 · Two Boxes, One Ship

Wednesday

Lower the box
// Copy one box and lower another
⏱ about 15 min
Rocket the inventor holding his engineering tablet

Take some away!

Raven reads the auto-pilot program very slowly.

Deep inside, she finds a new kind of line.

It says lower height by 2.

Nova beeps. That line makes the ship drop!

But why does it run at the same spot?

Raven says there is always another clue.

WARM-UP: COPY A BOX
  • Read every line.
  • Tap what Nova says.
set height to 6
set speed to height
say speed
?
set height to 2
set speed to height
say height
?
The height box held 5, is lowered by 2, and now holds 3

Lower takes some away

Lower height by 2 takes 2 away.

The box held 5.

Now it holds 3.

set height to 5
lower height by 2
say height
land
Two lines: change height by 2 and lower height by 2

Change or lower?

Change adds to the box.

Lower takes away from the box.

Read the first word carefully!

LOWER THE BOX
  • Track the box line by line.
  • Tap the answer.
set height to 6
lower height by 2
say height
?
set height to 4
lower height by 1
fly up height
?
set height to 3
change height by 2
lower height by 2
say height
?

Build a flight up 3 spaces.

Start the box at 5.

Lower it before Nova flies. Then land.

BUILD A FLIGHT UP 3
  • Start at 5, lower by 2, fly, land.
1line 1
2line 2
3line 3
4line 4
Raven the explorer with her wrist computer

Raven checks the drop

The lower line makes the drop.

But when does that line run?

Raven writes the question down.

TRICKY DROPS!
  • Track both boxes.
  • Tap what Nova says.
set height to 5
set speed to height
lower height by 2
say speed
?
set height to 4
lower height by 2
set speed to height
say speed
?
programNova says 3?
set height to 5, lower height by 2, say height?
set height to 3, lower height by 2, say height?
set height to 5, set speed to height, lower speed by 2, say speed?
set height to 4, change height by 2, say height?

You lowered the box!

Change adds to a box.

Lower takes away from a box.

The lower line makes the drop.

Great work, Crew!

← Tuesday