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Grades 2-5
3, 4, 5

Photon Education

Geometry - Photon Knows the Coordinates

Duration time:
60 min.
Programming interface:
Photon DrawPhoton Blocks
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Reference to the core curriculum

Common Core Math Standards: 
- CCSS.MATH.CONTENT.5.G.A.1: Use a pair of perpendicular number lines, called axes, to define a coordinate system, with the intersection of the lines (the origin) arranged to coincide with the 0 on each line and a given point in the plane located by using an ordered pair of numbers, called its coordinates. Understand that the first number indicates how far to travel from the origin in the direction of one axis, and the second number indicates how far to travel in the direction of the second axis, with the convention that the names of the two axes and the coordinates correspond (e.g., x-axis and x-coordinate, y-axis and y-coordinate). 
- CCSS.MATH.CONTENT.5.G.A.2:  Represent real world and mathematical problems by graphing points in the first quadrant of the coordinate plane, and interpret coordinate values of points in the context of the situation.

Class goal:

  • To locate positions on a coordinate plane.

Type of exercise:

  • Group work.

Required items:

  • One Photon Robot and devices for programming per every two to three students.
  • Painter’s Tape or any other tape that will not stick to the floor permanently.
  • Coordinates - written one pair per index card.
  • Marker.

Lesson scenario:

Programming Interface: Photon Draw, Photon Blocks or Scratch via the Photon EDU App or the Photon Magic Bridge.



  • The teacher will use painter’s tape to create a coordinate plane on the floor.  Use the marker to place the number marks.
  • Coordinates written on index cards
  • The teacher will instruct the students about how to use a coordinate plane.
  • Break the students into groups of two - three students.
  • Make sure students know how to switch between cm and inches in the app so Photon will be measuring using the correct system.
  • Make sure the students set the amount of one movement to the correct setting for how the coordinate plane was laid out.  For example, if you make each number on the plane twelve inches apart, students should set a single movement to be twelve inches.

Lesson Sequence: 

  • Have each group get a Photon and coding device.
  • Gather around the tape coordinate plane.
  • Review how the coordinate plane works.
  • Give each group an index card.
  • Direct them to find a space for each group to work together to program Photon to travel to the correct point on the coordinate plane based on the index card they received.
  • When a group has their program, they should come to the coordinate plane and test their program.
  • If the program does not work correctly, they should go back as a group and fix their program to test it again.
  • If the program does work correctly, the teacher should give them a new index card.
  • Note: It is okay to take a card that one group has correctly programmed and give it to another group.
  • Continue until each group has been able to correctly program a few points.
  • Bring the group back together and review a few of the programs to ensure that everyone understands how to find a point.
  • The teacher may also want to explore parallel and perpendicular lines using the coordinate plane and Photon by having two students drive two Photons and demonstrate parallel and perpendicular lines.

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