pxt-calliope/docs/lessons/lucky-7/challenges.md

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2016-03-26 00:47:20 +01:00
# lucky 7 blocks challenges
Coding challenges for lucky 7.
## Before we get started
Complete the [lucky 7 activity](/microbit/lessons/lucky-7/activity) and your code will look like this:
```blocks
basic.showNumber(7)
```
### Challenge 1
But we also should pause before showing another number. Let's add a pause of 500 milliseconds.
```blocks
basic.showNumber(7)
basic.pause(500)
```
### Challenge 2
### @video td/videos/lucky-7-1-2
What about other multiples of 7? Let's display the next multiple of 7 on the screen!
```blocks
basic.showNumber(7)
basic.pause(500)
basic.showNumber(14)
```
* Run the code to see if it works as expected.
### Challenge 3
Keep displaying multiples of 7 such as 21 and 28, but don't forget to add pauses between the numbers!