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Show Me the Math!

Enjoy the following activities to sharpen your mathematical and engineering mind as well as learn more about the FLL program and competition area rubrics.  Answers can be found here.

2019#07 You SPIN ME ROUND, ROUND

6/9/2019

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There are many tricks to using the Gyro sensor effectively:
  1. Make sure that your Gyro is not drifting when the robot is completely still.  If it is drifting you can unplug and re-plug the sensor while holding it completely still.
  2. When making turns and waiting for the sensor to reach a certain angle, the motors take a split second to react to the stop command and may overshoot the target angle.  You can either try to predict the overshoot and target a lesser angle (i.e try to target 85° when you want a 90° turn if there is a reliable 5° overshoot) or you can have your robot turn back slowly to recover from the overshoot.
  3. Children sometimes get confused when comparing negative numbers.  Use the graphic below to help your team members visualize the comparisons that need to be made to program effectively with the Gyro sensor.
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Try this exercise with your teammates to see if they understand the concepts needed to program the Gyro.
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Match the 3 comments to the programming sequence that implements the description.
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2019#01 City Lights, Camera, Action!

5/6/2019

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Four FLL teams preparing for the 2019-2020 City Shapers FLL Season each focus on a different area of the competition:  Core Values, Project, Robot Design and Robot Game. These four areas are now equally weighted toward the advancement criteria.  Each team has all from the same grade level: 4th, 5th, 6th or 7th grade. To start off their team meetings they each practiced a different form of programming automation.
  1. The rookie 4th-grade team started off focusing on Core Values and building a Starter Jig since it didn’t require them to have advanced programming skills.
  2. The team that focused on Robot Design designed a very flat and sturdy rear bumper that made straightening their robot with wall wreckoning very effective.
  3. The team that learned how to manage gyro drift at their first meeting was a 4-year veteran team that had been together since their 1st year when they were all in the 4th grade.
  4. The Naboo Taboos didn’t use a gyro on their robot but was still able to focus on the Robot Game by using another sensor that allowed for straightening their robot perpendicular to lines on that game field.
  5. Cloud City Slickers was back for their 2nd year, since they focused on Core Values their rookie year, they decide to focus on Robot Design for the City Shapers season.
  6. The Geonosis Clones were 2 grade levels ahead of the Cloud City Slickers who did not use the gyro sensor.
  7. The team focused on the Robot Game started their season perfecting their Line Squaring algorithm.
Printable Version
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    Author

    FLL Coach since 2015
    FLL Referee since 2017
    FLL World Judge since 2017
    ​FLL Judge Advisor since 2018

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  • Home
  • Activities
    • Bingo
    • Blind Build
    • Mini Lessons
    • Power Transmission
    • Problem Identification
  • The Games
    • FLL Scores >
      • 2021-22 Cargo Connect
    • Portable FLL Table
    • Other Online Resources