move lessons out of web site

will move select lessons back to "educators" section

olddocs/lessons/rotation-animation/activity.md

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+# rotation animation block activity
+
+Rotate images with a while loop. 
+
+### ~avatar avatar
+
+Welcome! This tutorial will teach how to rotate images with a **while loop**. Let's get started!
+
+### ~
+
+Let's start by creating a global variable called `rotating` and initialize it to true. This well indicate when the animation should be displaying.
+
+```blocks
+let rotating = true;
+```
+
+Now we need a while loop that will be executed only if the variable rotating is true.
+
+```blocks
+let rotating = true;
+while (rotating) {
+    basic.pause(20)
+    
+}
+```
+
+Let's create and show an animation of a diagonal line that rotates clockwise. We need a pause so that the battery does not burn out.
+
+```blocks
+let rotating = true;
+while (rotating) {
+    basic.pause(20)
+    basic.showLeds(`
+        # . . . .
+        . # . . .
+        . . # . .
+        . . . # .
+        . . . . #
+        `)
+    basic.showLeds(`
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        `)
+    basic.showLeds(`
+        . . . . #
+        . . . # .
+        . . # . .
+        . # . . .
+        # . . . .
+        `)
+    basic.showLeds(`
+        . . . . .
+        . . . . .
+        # # # # #
+        . . . . .
+        . . . . .
+        `)
+}
+```
+
+### ~avatar avatar
+
+Excellent, you're ready to continue with the [challenges](/lessons/rotation-animation/challenges)!
+
+### ~
+

olddocs/lessons/rotation-animation/challenges.md

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+# rotation animation block challenges
+
+Coding challenges for the rotation animation.
+
+## Before we get started
+
+Complete the following guided activity:
+
+* [activity](/lessons/rotation-animation/activity)
+
+At the end of the activity, your code should look like this:
+
+
+```blocks
+let rotating = true;
+while (rotating) {
+    basic.pause(20)
+    basic.showLeds(`
+        # . . . .
+        . # . . .
+        . . # . .
+        . . . # .
+        . . . . #
+        `)
+    basic.showLeds(`
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        `)
+    basic.showLeds(`
+        . . . . #
+        . . . # .
+        . . # . .
+        . # . . .
+        # . . . .
+        `)
+    basic.showLeds(`
+        . . . . .
+        . . . . .
+        # # # # #
+        . . . . .
+        . . . . .
+        `)
+}
+```
+
+
+### Challenge 1
+
+Now let's add to this by creating a condition for on button pressed `A` before the while loop. We will also introduce serial writeLine for the while loop and input OnButtonPressed 
+
+```blocks
+
+let rotating = true;
+while (rotating) {
+    serial.writeLine("loop")
+    basic.showLeds(`
+        # . . . .
+        . # . . .
+        . . # . .
+        . . . # .
+        . . . . #
+        `)
+    basic.showLeds(`
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        `)
+    basic.showLeds(`
+        . . . . #
+        . . . # .
+        . . # . .
+        . # . . .
+        # . . . .
+        `)
+    basic.showLeds(`
+        . . . . .
+        . . . . .
+        # # # # #
+        . . . . .
+        . . . . .
+        `)
+}
+input.onButtonPressed(Button.A, () => {
+    serial.writeLine("hello")
+})
+
+```
+
+### Challenge 2
+
+
+
+Now that we have the on button pressed condition, let's make the animation stop rotating by setting the rotating global variable to false when button `A` is pressed.
+
+```blocks
+let rotating = true;
+while (rotating) {
+    serial.writeLine("loop")
+    basic.showLeds(`
+        # . . . .
+        . # . . .
+        . . # . .
+        . . . # .
+        . . . . #
+        `)
+    basic.showLeds(`
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        `)
+    basic.showLeds(`
+        . . . . #
+        . . . # .
+        . . # . .
+        . # . . .
+        # . . . .
+        `)
+    basic.showLeds(`
+        . . . . .
+        . . . . .
+        # # # # #
+        . . . . .
+        . . . . .
+        `)
+}
+input.onButtonPressed(Button.A, () => {
+    serial.writeLine("hello")
+    rotating = false
+})
+
+```
+
+* Run the code to see the awesome rotation.
+
+### Challenge 3
+
+Let's also make the image rotate the opposite way when button A is pressed! We can do this with another while loop that is only executed while `not rotating`.
+

olddocs/lessons/rotation-animation/quiz-answers.md

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+# rotation animation quiz answers
+
+Learn how to create a rotating image with a while loop.
+
+This is the answer key for the [rotation animation quiz](/lessons/rotation-animation/quiz).
+
+## 1. What is a " variable"?
+
+Answers may vary. A variable is a place where you can store data so that you can use it later in your code.
+
+## 2. Write the code to create a ** variable** called `foo` that stores a boolean and initialize it to **false**.
+
+
+
+```blocks
+let rotating = true;
+```
+
+## 3. Explain what this line of code does.
+
+```blocks
+let rotating = true;
+while (rotating) {
+    basic.showLeds(`
+        . . . . .
+        . . . . .
+        . . # . .
+        . . . . .
+        . . . . .
+        `)
+    basic.showLeds(`
+        . . . . .
+        . . . . .
+        . . . . .
+        . . . . .
+        . . . . .
+        `)
+}
+
+```
+
+
+
+<br/>
+
+It is a **while** loop that will be executed only if the ** variable** called `rotating` is **true**.
+
+## 4. If the rectangle below represents the BBC micro:bit, shade the areas that will be displayed. Explain why that particular area is shaded.
+
+```blocks
+basic.showLeds(`
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        `)
+basic.showLeds(`
+        . . . . .
+        . . . . .
+        # # # # #
+        . . . . .
+        . . . . .
+        `)
+basic.showLeds(`
+        . . . . #
+        . . . # .
+        . . # . .
+        . # . . .
+        # . . . .
+        `)
+basic.showLeds(`
+        . . . . #
+        . . . # .
+        . . # . .
+        . # . . .
+        # . . . .
+        `)
+   
+```
+
+
+
+![](/static/mb/lessons/rotation-animation-0.png)
+
+![](/static/mb/lessons/rotation-animation-1.png)
+
+![](/static/mb/lessons/rotation-animation-2.png)
+
+![](/static/mb/lessons/rotation-animation-3.png)
+
+Show animation will show a series of image frames on the LED screen, pausing the specified time (400 milliseconds) after each frame
+

olddocs/lessons/rotation-animation/quiz.md

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+# rotation animation quiz
+
+Learn how to create a rotating image with a while loop.
+
+## Name
+
+## Directions
+
+Use this activity document to guide your work in the [rotation animation tutorial](/lessons/rotation-animation/activity).
+
+Answer the questions while completing the tutorial. Pay attention to the dialogues!
+
+## 1. What is a " variable"?
+
+<br />
+
+## 2. Write the code to create a variable called foo that stores a boolean and initialize it to false.
+
+<br/>
+
+## 3. Explain why you use a while loop with a variable
+
+```blocks
+let rotating = true;
+while (rotating) {
+    basic.showLeds(`
+        . . . . .
+        . . . . .
+        . . # . .
+        . . . . .
+        . . . . .
+        `)
+    basic.showLeds(`
+        . . . . .
+        . . . . .
+        . . . . .
+        . . . . .
+        . . . . .
+        `)
+}
+
+```
+
+<br/>
+
+## 4. Draw the areas on the micro:bits to illustrate the code below. Explain why you chose to draw in those areas.
+
+```blocks
+basic.showLeds(`
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        . . # . .
+        `)
+basic.showLeds(`
+        . . . . .
+        . . . . .
+        # # # # #
+        . . . . .
+        . . . . .
+        `)
+basic.showLeds(`
+        . . . . #
+        . . . # .
+        . . # . .
+        . # . . .
+        # . . . .
+        `)
+basic.showLeds(`
+        . . . . #
+        . . . # .
+        . . # . .
+        . # . . .
+        # . . . .
+        `)
+   
+```
+
+![](/static/mb/lessons/looper-2.png)
+
+<br/>
+