pxt-calliope/docs/lessons/spinner/quiz-answers.md
Michael Elliot Braun 899183f8f4 update quizzes
2016-03-30 13:41:01 -07:00

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# spinner quiz answers
a spin the BBC micro:bit game with the input on shake #math #random #docs #shake
## Name
## Directions
Use this activity document to guide your work in the [spinner tutorial](/microbit/lessons/spinner/tutorial).
Answer the questions while completing the tutorial. Pay attention to the dialogues!
## 1. Write the code that stores a random number between 0 and 3 into a local variable named 'random arrow'.
<br/>
```blocks
let randomArrow = Math.random(4)
```
## 2. Write the if statement that will display this down arrow from your code. Hint- This occurs if the local variable 'random arrow' returns 1.
![](/static/mb/lessons/spinner-0.png)
<br/>
```blocks
if (randomArrow == 1) {
basic.plotImage(`
. . # . .
. . # . .
# # # # #
. # # # .
. . # . .
`)
}
```
## 3. Write the if statement that will display this right arrow. Hint- This occurs if the local variable 'random arrow' returns 2.
![](/static/mb/lessons/spinner-1.png)
<br />
```blocks
if (randomArrow == 2) {
basic.plotImage(`
. . # . .
. . # # .
# # # # #
. . # # .
. . # . .
`)
}
```