micro:bits & Blocks

CODING CARDS

A dozen cards that need the code completed.

Basic Input/Output:

• on start
• on logo pressed
• on button A pressed
• on button B pressed
• on button A+B pressed
• on shake

Basic Display:

• show leds
• show string
• show icon
• show number
• clear screen

Sound:

• play tone for a beat
• play melody
• set volume

Logic and Control Flow:

• repeat loop
• pause (ms)
• if statement (including "then" and "else" implied)
• on forever (continuous loop)

Variables:

• variable: name, change value (represented by "count, change count")

Other:

• pick random

Total Unique Blocks: 20

Breakdown of Blocks Covered

CODING CARDS

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to print : pages 5 – 10

solutions : pages 11 – 23

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FINISH THE CODE 2

Blast Off

Press the logo button to start a countdown (3, 2, 1) and then make a rocket appear on the screen.

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Display a box in the upper right-hand corner of the micro:bit screen. Program the box to move diagonally towards the lower left-hand corner of the screen.

FINISH THE CODE 1

Corner to Corner

FINISH THE CODE 3

Beating Heart!

Can you make a heart pulse 10 times?

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FINISH THE CODE 4

Repeating Fireworks

Can you display fireworks bursting on your micro:bit four times?

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Display eyes, nose, and a mouth at the start of the code. Then program the micro:bit to stick out its tongue when the micro:bit is shaken.

FINISH THE CODE 5

Silly Face

FINISH THE CODE 6

micro:bit to the Rescue

Oh no, You have been struck with laryngitis! Code your micro:bit as a yes/no answering machine! Press a button A to show a checkmark (yes) and button B to show a X (no). Both symbols should appear for 200 ms. Last, a beep signals you're ready for the next question.

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Start program with button A+B. Synchronize the flashing of the diamonds to music. Remember the music should end at the exact time the last diamond displays. Clear icon to finish your program.

Finish the Code 7

Music Match

Finish the Code 8

Y.M.C.A

In 1978, the Village People released "Y.M.C.A." This song became the group’s biggest hit with 12 million copies sold worldwide.

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• Can you program the micro:bit so that the tune plays when the logo is pressed?
• What code can you add to make the tune play at the highest volume?
• How can you modify the code to clear the screen after the tune has played?

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After pressing button A on your micro:bit, you want to count by twos and show the count on the micro:bit.

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Hint: You will need to set up a variable to store the number of presses for button A.

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Bonus: Count by fives or tens.

FINISH THE CODE 10

Count by Twos

FINISH THE CODE 9

Shaker Surprise

Code your micro:bit to pick a random number from 1 to 9 whenever you give it a shake. The number should appear for two seconds and then disappear.

Can you make the screen display a question mark on your micro:bit until you press Button A+B? Then program your name to scroll across the screen.

FINISH THE CODE 12

Scroll My Name

After pressing button B, can you show a happy face and then clear the screen immediately.

FINISH THE CODE 11

Press B for a Smile

Possible Solutions

Finish the Code Solution 1

Corner to Corner

Finish the Code Solution 2

Blast Off

Finish the Code Solution 3

Beating Heart!

Finish the Code Solution 4

Repeating

Fireworks

Finish the Code Solution 5

Silly Face

Finish the Code Solution 6

micro:bit to the Rescue

Finish the Code Solution 7

Music Match

Finish the Code

Solution 8

Y.M.C.A. Music

Finish the Code Solution 9

Shaker Surprise

Finish the Code Solution 10

Count by Twos

Finish the Code Solution 11

Press B for a Smile

Finish the Code Solution 12

Scroll My Name