Track quiz
Check the five ideas below. Then try the quiz.
| Idea | What to remember |
|---|---|
| Snap blocks | A block is one instruction. Blocks run in order. |
| Order | The same blocks in a new order can end somewhere new. |
| Repeat | A repeat block runs the blocks inside it many times. |
| If | An if block runs its blocks only when the check is true. |
| Debugging | A program does exactly what its blocks say. |
What is a block in this track?
The sprite faces right. It runs Move forward, then Turn left, then Move forward. Where does it end?
Which program moves the sprite five squares forward?
An if wall ahead block runs. The way ahead is clear. What happens to the blocks inside it?
A program stops short of the flag. What is the best first step?
Next: Data & Patterns I. Collect data, sort it, read a chart.