updated lessons

docs/lessons.md

@@ -59,6 +59,7 @@ Overview of lessons for the BBC micro:bit.
 * [Telegraph](/microbit/lessons/telegraph), play the telegraph game between two BBC micro:bits
 
 ## Advanced
+* [Prank WiFi](/microbit/lessons/prank-wifi), create fake WiFi to trick your friends
 * [Speed Button](/microbit/lessons/speed-button), code a speed game with running time
 * [Headbands](/microbit/lessons/headbands), create a charades game with a collection of strings that hold the words
 * [Hero](/microbit/lessons/hero), reconstruct the classic arcade game pac man with the BBC micro:bit

docs/lessons/bop-it/activity.md

@@ -4,13 +4,9 @@ a game similar to "Simon Says" with the BBC micro:bit. #docs
 
 ## Before we get started
 
-Complete the following guided tutorial:
+Complete the following guided tutorial. Your code should look like this:
 
-* [tutorial](/microbit/lessons/bop-it/tutorial)
-
-At the end of the tutorial, click `keep editing`. Your code should look like this:
-
-```
+```blocks
 newAction() // ***
 input.onButtonPressed(Button.A, () => {
     if (action == 0) {
@@ -21,27 +17,27 @@ input.onButtonPressed(Button.A, () => {
 input.onLogoDown(() => {
     if (action == 1) {
         game.addScore(1) // ***
-        newAction() // ***
+        newAction() 
     }
-}) // ***
+}) 
 input.onGesture(Gesture.Shake, () => {
     if (action == 2) {
-        game.addScore(1) // ***
-        newAction() // ***
+        game.addScore(1)
+        newAction()
     }
-}) // ***
+}) 
 input.onButtonPressed(Button.B, () => {
     basic.showNumber(game.score(), 150) // ***
     basic.pause(2000) // ***
     newAction() // ***
-}) // ***
+}) 
 ```
 
 ### Challenge 1
 
 Now let's add some more types of instructions for the player to follow. Let's add `PRESS PIN 0`. Change the global variable `action` to `math->random(4)` so that we can add a new **IF** statement that checks if `action=3`. If it does, display instructions to press pin 0.
 
-```
+```blocks
 /**
  * {highlight}
  */

docs/lessons/offset-image/activity.md

@@ -4,13 +4,9 @@ Coding challenges for the offset image tutorial. #docs
 
 ## Before we get started
 
-Complete the following guided tutorial:
+Complete the following exercise. Your code should look like this:
 
-* [tutorial](/microbit/lessons/offset-image/tutorial)
-
-At the end of the tutorial, click `keep editing`. Your code should look like this:
-
-```
+```blocks
 offset = 0
 basic.forever(() => {
     if (offset == -4) {

docs/lessons/prank-wifi.md

@@ -4,6 +4,6 @@ create a fake wifi app to trick your friends #abs #acceleration #if #math #plot
 
 create a fake wifi app to trick your friends
 
-* [tutorial](/microbit/lessons/prank-wifi/tutorial)
+* [activity](/microbit/lessons/prank-wifi/activity)
 * [quiz](/microbit/lessons/prank-wifi/quiz)
-* [challenges](/microbit/lessons/prank-wifi/challenges)
+

docs/lessons/prank-wifi/activity.md

@@ -4,13 +4,9 @@ create a fake wifi app to trick your friends. #docs
 
 ## Before we get started
 
-Complete the following guided tutorial:
+Complete the following exercise. Your code should look like this:
 
-* [tutorial](/microbit/lessons/prank-wifi/tutorial)
-
-At the end of the tutorial, click `keep editing`. Your code should look like this:
-
-```
+```blocks
 basic.showString("Check Wifi", 150)
 basic.forever(() => {
     let xAccel = math.abs(input.acceleration("x"))
@@ -18,7 +14,7 @@ basic.forever(() => {
     let zAccel = math.abs(input.acceleration("z"))
     let sum = xAccel + yAccel + zAccel
     if (sum < 1400) {
-        basic.plotImage(`
+        basic.showleds(`
 . . . . .
 . . . . .
 . . # . .
@@ -26,7 +22,7 @@ basic.forever(() => {
 # # # . .
 `)
     } else if (sum >= 1400 && sum < 1680) {
-        basic.plotImage(`
+        basic.showleds(`
 . . . . .
 . . . # .
 . . # # .
@@ -35,7 +31,7 @@ basic.forever(() => {
 `)
     }
     else if (sum >= 1680) {
-        basic.plotImage(`
+        basic.showleds(`
 . . . . .
 . . . . .
 . . . . .
@@ -52,11 +48,9 @@ What if wanted to show the maximum connectivity of wifi instead of just 1, 3, or
 
 Let's start by changing the first **IF** statement to `if sum <1200`.
 
-Edit this line: **if** sum <1400 **then**
+Edit this line: if sum is greater than 1400 then just click on the `1400` and backspace until you can add your own number of `1200`.
 
-Just click on the `1400` and backspace until you can add your own number of `1200`.
-
-```
+```blocks
 basic.showString("Check Wifi", 150)
 basic.forever(() => {
     let xAccel1 = math.abs(input.acceleration("x"))
@@ -64,7 +58,7 @@ basic.forever(() => {
     let zAccel1 = math.abs(input.acceleration("z"))
     let sum1 = xAccel1 + yAccel1 + zAccel1
     if (sum1 < 1200) {
-        basic.plotImage(`
+        basic.showleds(`
 . . . . .
 . . . . .
 . . # . .
@@ -72,7 +66,7 @@ basic.forever(() => {
 # # # . .
 `)
     } else if (sum1 >= 1400 && sum1 < 1680) {
-        basic.plotImage(`
+        basic.showleds(`
 . . . . .
 . . . # .
 . . # # .
@@ -81,7 +75,7 @@ basic.forever(() => {
 `)
     }
     else if (sum1 >= 1680) {
-        basic.plotImage(`
+        basic.showleds(`
 . . . . .
 . . . . .
 . . . . .
@@ -96,7 +90,7 @@ basic.forever(() => {
 
 Let's add an **IF** at the bottom of your code that checks to see if `sum >= to 1200` **and** if `sum <1400`
 
-```
+```blocks
 basic.showString("Check Wifi", 150)
 basic.forever(() => {
     let xAccel2 = math.abs(input.acceleration("x"))
@@ -104,7 +98,7 @@ basic.forever(() => {
     let zAccel2 = math.abs(input.acceleration("z"))
     let sum2 = xAccel2 + yAccel2 + zAccel2
     if (sum2 < 1200) {
-        basic.plotImage(`
+        basic.showleds(`
 . . . . .
 . . . . .
 . . # . .
@@ -112,7 +106,7 @@ basic.forever(() => {
 # # # . .
 `)
     } else if (sum2 >= 1400 && sum2 < 1680) {
-        basic.plotImage(`
+        basic.showleds(`
 . . . . .
 . . . # .
 . . # # .
@@ -121,7 +115,7 @@ basic.forever(() => {
 `)
     }
     else if (sum2 >= 1680) {
-        basic.plotImage(`
+        basic.showleds(`
 . . . . .
 . . . . .
 . . . . .
@@ -130,7 +124,7 @@ basic.forever(() => {
 `)
     }
     if (sum2 >= 1200 && sum2 < 1400) {
-        basic.plotImage(`
+        basic.showleds(`
 . . . . #
 . . . # #
 . . # # #

docs/lessons/prank-wifi/quiz-answers.md

@@ -14,7 +14,7 @@ Answer the questions while completing the tutorial. Pay attention to the dialogu
 
 <br/>
 
-```
+```blocks
 let xAccel = math.abs(input.acceleration("x"))
 let yAccel = math.abs(input.acceleration("y"))
 let zAccel = math.abs(input.acceleration("z"))
@@ -28,7 +28,7 @@ let zAccel = math.abs(input.acceleration("z"))
 
 <br/>
 
-```
+```blocks
 let sum = xAccel + yAccel + zAccel
 ```
 
@@ -38,9 +38,9 @@ let sum = xAccel + yAccel + zAccel
 
 <br/>
 
-```
+```blocks
 if (sum < 1400) {
-    basic.plotImage(`
+    basic.showleds(`
 . . . . .
 . . . . .
 . . # . .
@@ -58,9 +58,9 @@ if (sum < 1400) {
 
 <br/>
 
-```
+```blocks
 if (sum >= 1400 && sum < 1680) {
-    basic.plotImage(`
+    basic.showleds(`
 . . . . .
 . . . # .
 . . # # .
@@ -80,7 +80,7 @@ if (sum >= 1400 && sum < 1680) {
 
 ```
 if (sum >= 1680) {
-    basic.plotImage(`
+    basic.showleds(`
 . . . . .
 . . . . .
 . . . . .