“Turn right” only becomes clear when we know which way the mover is facing. A robot does not share all the assumptions in a speaker’s head, and a paper arrow can make that problem wonderfully visible.
For families looking at schools in Telok Blangah, robotics offers a practical connection between directions, sequences and explanation. Blangah Rise Primary’s published STEM programme provides a local example.
This guide suggests a no-device paper-grid activity. It is not an official robotics lesson, and families do not need to buy a robot or coding subscription to try it.
eduKateSG · Neighbourhood education
Choose your next learning step
Explore the school context, try the small activity or check what it teaches.
1. Understand the context · 2. Try the activity · 3. Review and continue
Contents
Explore, practise and connect · Four chapters
CHAPTER 1 OF 4
1. Understand the local STEM context
Blangah Rise Primary’s Applied Learning Programme page describes STEM learning through engineering-related activities and robotics. It uses an engineering design process and describes Tier 1 project-based experiences, alongside deeper opportunities for selected interested students.
The school’s contact page lists 91 Telok Blangah Heights. Check the current school information for year-level arrangements, resources and participation details.
The activity below isolates one useful concept: a sequence of movement commands needs an agreed starting state and agreed meanings. It does not reproduce the school’s robot equipment or curriculum.
CHAPTER 2 OF 4
2. Set up a paper mover
Draw a small grid on paper. Place a large paper arrow in one square and name a destination square. The arrow’s point shows the direction it is facing.
Agree three commands: move forward one square, turn left by a quarter-turn and turn right by a quarter-turn. In this activity, turning changes the facing direction but does not move the arrow to a new square.
That last rule matters. If one person treats a turn as both turning and moving, two people may follow the same instruction list and get different results.
Keep the route short and the grid on a table. No walking blindfolded, navigating roads or moving equipment is involved. The learner can trace the route with a finger before moving the paper arrow.
CHAPTER 3 OF 4
3. Follow a short command sequence
Start with the arrow facing the top of the page. Try this sequence: move forward one square, turn right, then move forward two squares. Use a grid large enough to keep every move inside its edges.
After the turn, forward now means towards the right side of the page. Ask the student to explain why the final two moves do not continue towards the top.
Write each command on a separate line. Compare the written sequence with the arrow’s movements, including its facing direction after each turn.
Next, reset the arrow to the original square but face it towards the bottom of the page. Follow the same commands. The result changes because the starting direction changed, not because the written list changed.
CHAPTER 4 OF 4
4. Connect directions with clear explanation
Ask the student to write a sequence for a new destination and specify both the starting square and the starting direction. Let another family member follow it using the agreed rules.
Compare the intended destination with the actual result. If they differ, identify the first point where the plan and movement no longer match. Avoid changing several commands before knowing what caused the difference.
For a younger learner, two or three commands may be enough. A more confident learner can explain why a turn changes the meaning of the next forward command.
End by stating the principle in ordinary language: instructions work better when everyone shares the same starting conditions and command meanings. A paper exercise makes that idea visible without pretending to simulate all the features of a real robot.
Sources and scope
School information checked on 13 October 2026 (Singapore time): Blangah Rise Primary: Applied Learning Programme. Programmes may change. Family activities are independently written by eduKateSG, not official school tasks. This article does not imply school endorsement, rank schools or guarantee admission or learning results.