mathbots on a mission by andrew derer mathscience innovation center
TRANSCRIPT
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MathBots on a Mission
By Andrew Derer
MathScience Innovation Center
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Welcome
• Let’s break up into groups of 3.• In your groups answer the
following question:– How do robots know how and
where to move?
• Each group will give a brief response.
• Take 2 minutes.
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How do they do that?
• Today we are working with a robot called MathBot.
• MathBot can be programmed to follow responses or run a preset program.
• Please make sure that you are working on the tasks given. If you are not on the correct task or program you will be asked to sit out.
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Today you will…
• Learn how to use MathBot to help you do certain tasks.
• Learn how to program your car.• Write and run a program.• Enter a contest to win a prize.
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MathBot the Artist
• With a pen attachment MathBot can draw on a sheet of paper.
• The question is – Can we program MathBot to draw a specific figure?
• Let’s try an easy one – a square.
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MathBot the Artist• Press the program key.• Scroll down to the program titled Poly1.• Press Enter.• Press Enter again.• Follow the instructions on the screen.
**Don’t forget to record your trials!**
• If you finish this one, try to sketch a rhombus that is not a square (use the back of the sheet).
25 Minutes
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Did MathBot make a square like this?
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Is this angle more or less than 90˚?
What can MathBot do with Poly1?
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What can MathBot do with Poly1?
How about this angle? More or less than 90˚?
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Makin’ MathBot Move• Now that we have seen some of the
things MathBot can do let’s see if we can figure out how to make MathBot move.
• The Program MMM is for you to toy with.
• See if you can make changes in the digits and figure out what MathBot understands.
• Just pick a card and make your changes – Good Luck!
• One IMPORTANT tip first --
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To Exit a Program
• Press 2nd (yellow button)
• Press Quit (next to yellow button)
• You have to quit the edit mode before you can run a program.
• When in doubt, press 2nd Quit (Mode)
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Makin’ MathBot Move
1) Pick a card
2) Write down the change
3) Press PRGM button – right arrow to EDIT and down arrow to MMM.
Not True!
25 Minutes
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Makin’ MathBot Move
What did we find out?
Send ({122,400})122 400
Movement Left Wheel Right Wheel
Time (Centiseconds)
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Final Mission
• Now that you know how to program, you are ready for the --
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Final Mission• Here’s the challenge:
– Your team is going to program MathBot to get as close to Geeky as possible.
– You must begin with at least 1 tire on the start marker.
– If you come within 10 cm of the base of Geeky, you win!
– If you run into Geeky (even a little nudge) you are out.
– Not a tough task except you are not allowed any practice runs!
– You may measure the course, program you car, and test your program on the floor.
– Your car may not run on or near the course until your final attempt.
Good Luck!
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Wrap Up
• Why is it harder to program MathBot to move in a parallelogram than a rectangle?
• Is a square the easiest quadrilateral? Why or why not?
• What would be easier to program: drawing the outline of a stop sign or a trapezoid?
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Questions?Thank you!Good Bye!
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Final Mission
Entering a complex program is easy. Just enter each command after the previous one.:Send ({122,400}):Get (R)For a 2nd command, just add another below it.:Send ({122,400}):Get (R):Send ({120,250}):Get (R)
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Movement with a Mission
• Now it’s your turn to write a program.• There are 5 tasks and a CHALLENGE.• If you get the challenge correct (with
explanation) you receive a bonus turn on the Final Mission.
• You need to complete the 5 tasks for the bonus task to be valid.
• Here’s what to do…
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Movement with a Mission
Send ({122,400})
20 Minutes
Not True!Get (R)