Algorithm sequencing - Activity #computationalthinking

Namaste

We built a marble maze with the help of straws and corrugated sheets.

Instead of a marble can we navigate a Robot through our maze.

With this activity we can introduce a programming context for pre-coders.

Programmers ‘sequence’ instructions: putting them in the right order. Sequences are often placed into ‘loops’, doing the same sequences of instructions over and over.

In this case , We will have to give detailed instructions to the robot . Move forward, turn left , turn right and so on. Also we have to instruct the robot how much movement there should be.
I mean one step, two steps and so on. Also turning right by specifying angle like 90 degrees and not 120 degrees.

We will build another maze on the card sheet with squares marked on it.

This is our start position and this is the finish point.

Each square can be considered as one step.

First instruction for the robot will be to move 3 steps forward. We can also write the instruction by placing 3 arrows.

Second instruction will be to turn right. Turn right by 90 degrees. Same can be drawn with this symbol.

Third instruction will be to move 2 steps forward.

Fourth instruction will be to turn left

And so on ….

With these instructions we should be able to navigate robot from start to finish.

You are given a sheet of paper with a grid marked on it.

All you have to do is design your own maze with a start and end point. Imagine that you have to navigate the robot just like we did earlier. Write instructions along with symbols in the table provided.

Now let us look at the variations.

Instead of start and finish points we can add destinations like Home, School, Temple, Shop.

Navigation of the robot can be guided by a condition like

Start from home
Visit temple
Make 3 rounds around the temple.
Reach School

OR

Start from Home
Decide if you want to go to temple or not
Reach school.

You can create your own story and ask a friend to follow the instructions you write for navigation.

Thank you.

Link for handouts to be used for the activity.

[Woodartdentist]

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