updated lessons

docs/lessons/speed-button/quiz.md

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+# speed button quiz 
+
+counter that keeps track of how many times button "A" has been pressed #LED #screen #variables #docs #input
+
+## Name
+
+## Directions
+
+Use this activity document to guide your work in the [speed button tutorial](/microbit/lessons/speed-button/tutorial).
+
+Answer the questions while completing the tutorial. Pay attention to the dialogues!
+
+## 1. What is a variable?
+
+## 2. Draw which LEDs show the number being stored as a global variable called count
+
+```blocks
+let count = 0
+```
+
+![](/static/mb/empty-microbit.png)
+
+## 3. Draw which LED is ON after running this code and pressing Button A twice. Explain why you chose to draw that number 
+
+```blocks
+let count_ = 0
+input.onButtonPressed(Button.A, () => {
+    count_ = count_ + 1
+    basic.showNumber(count_, 100)
+})
+```
+
+![](/static/mb/empty-microbit.png)
+
+<br/>
+
+## 4. Draw which LED is ON after running this code and pressing Button A five times. Explain why you chose to draw that number.
+
+```blocks
+count_ = 0
+input.onButtonPressed(Button.A, () => {
+    count_ = count_ + 1
+    basic.showNumber(count_, 100)
+})
+```
+
+![](/static/mb/empty-microbit.png)
+
+<br/>
+