# lucky 7 quiz
Show a number on the BBC micro:bit.
## Name
## Directions
Use this activity document to guide your work in the [lucky 7 tutorial](/lessons/lucky-7/tutorial).
Answer the questions while completing the tutorial. Pay attention to the dialogues!
## 1. Describe what "basic->show number" does?
## 2. Draw every LED that is ON after running this code
```
basic.showNumber(7, 150)
```
![](/static/mb/empty-microbit.png)
## 3. Draw every LED that is ON after running this code
```
basic.showNumber(21, 150)
```
![](/static/mb/lessons/answering-machine-4.png)
## 4. Write the code that will be used to display the number 3 on the BBC micro:bit.
![](/static/mb/lessons/lucky-7-3.png)