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Maths In Jobs

Be a junior robotics inventor for a day maths challenge

An imaginative role-play challenge where children use steps, turns, loops, sensors and logic like a real robotics inventor.

Quick answer

By pretending to be a junior robotics inventor for a day, you can use maths to plan robot steps, make turns, create loops, and use sensors to solve problems – just like real inventors do!

Learning outcome

By the end of this page, you will be able to use maths to plan and describe how a robot moves and makes decisions, using steps, turns, loops, and simple logic. Success signs:
  • You can describe a robot's path using turns and steps
  • You can explain how loops help a robot repeat actions
  • You can use simple logic to help a robot make choices
  • You can plan a robot task using maths

Why this matters

Being a robotics inventor uses lots of maths – and you don’t need to be a scientist or engineer to use it! When inventors design robots, they use maths to:
  • Plan how far a robot should move
  • Decide what turns to make
  • Make a robot repeat actions without needing to tell it every time
  • Help a robot choose what to do next
This maths helps robots do useful jobs like cleaning, helping in hospitals, or even exploring space. And you can start learning this today by pretending to be a junior inventor!

How it works

To be a junior robotics inventor, you will:
  1. Plan a robot's path using steps and turns
  2. Use loops to make a robot repeat actions
  3. Use logic to help the robot make decisions
  4. Design a task for your robot using maths
Each of these uses maths in a fun way. Let’s explore how!

Examples you can see

Let’s imagine you are a junior robotics inventor and your robot needs to:
  • Move forward 3 steps
  • Turn right
  • Move forward 2 steps
  • Turn left
  • Move forward 1 step
Step-by-step maths:
  • First, your robot moves 3 steps forward – that’s 3 units of distance
  • Then it turns right – that’s 90 degrees of rotation
  • Then it moves 2 steps forward
  • Then it turns left – that’s another 90 degrees
  • Finally, it moves 1 step forward
Loop example: If your robot needs to clean the floor and it has to move forward 4 steps, then turn right, and repeat this 3 times, you can write this as a loop:
  • Loop 3 times: move forward 4 steps, turn right
This saves time and space – just like when you repeat a song or a dance move! Logic example: Your robot has a sensor that detects if there is a wall in front of it. If it sees a wall, it turns left. If not, it moves forward.
  • If wall detected → turn left
  • Else → move forward
This is like a simple “if-then” decision that uses logic and maths to help the robot think!

Try it as a mini adventure

Adventure: Build a Robot Maze! You are a junior robotics inventor. Your robot must find its way through a maze to collect treasure. Step 1: Draw a simple maze on paper with paths and walls. Use 1cm squares to make it easy to count steps. Step 2: Place your robot at the start. Plan the steps:
  • Move forward 3 steps
  • Turn right
  • Move forward 2 steps
  • Turn left
  • Move forward 1 step
Step 3: Use a loop to make your robot go around a corner:
  • Loop 2 times: move forward 1 step, turn right
Step 4: Add a sensor decision:
  • If wall in front → turn left
  • Else → move forward
Step 5: Test your robot’s path. Does it reach the treasure? Step 6: Change the maze and try again – you can make your robot smarter each time!

Common mistakes

  • Mistake: Forgetting that turning right is 90 degrees and turning left is also 90 degrees. Why it happens: Confusing left and right turns. Fix: Use your hands to show a right turn (like a clock hand) and a left turn (anti-clockwise).
  • Mistake: Writing a loop that never ends. Why it happens: Not using a clear number of times to repeat. Fix: Always say how many times to repeat, like “Loop 3 times” or “Repeat until treasure found”.
  • Mistake: Not using logic to help the robot decide what to do. Why it happens: Thinking that robots just do what you tell them, without thinking. Fix: Give your robot a sensor to “see” and a simple rule like “if this, then that”.

Parent and carer guide

As a parent or carer, you can help your child by:
  • Playing the robot game together – you can be the robot and they can give you directions
  • Using everyday objects like toy cars or blocks to act out robot moves
  • Encouraging your child to draw their robot’s path or write simple commands
  • Practising counting steps and turning with a compass or paper directions
  • Using real-world examples like a robot vacuum or a game with a character that moves in a pattern
You don’t need to know robotics – just be curious and help your child explore the ideas!

Practice questions

  1. How many steps does your robot take if it moves forward 5, then turns right, then moves forward 3?
  2. Write a loop that makes your robot move forward 2 steps and turn left, repeated 4 times.
  3. If your robot sees a wall, it turns right. If not, it moves forward. What is the logic rule?
  4. How many degrees does your robot turn if it makes 2 right turns?
  5. Can you make a robot path that uses a loop and a sensor decision?
Answers:
  1. 8 steps total (5 + 3)
  2. Loop 4 times: move forward 2 steps, turn left
  3. If wall → turn right, else → move forward
  4. 180 degrees (90° × 2)
  5. Yes – for example, move forward 3 steps, turn right, loop 2 times: move forward 1 step, turn left, then if wall → turn right

FAQ

What is a robot?

A robot is a machine that can be programmed to do tasks, like moving, sensing things, or making decisions.

How does maths help robots?

Maths helps robots plan steps, turns, and actions. It also helps them make smart decisions using logic and sensors.

Do I need to know robotics to be a junior inventor?

No! You can start by pretending to be an inventor and using maths to plan robot moves and actions.

Can I use this in a game or a story?

Yes! You can write a story where your robot has to solve puzzles or go on a treasure hunt using maths.

Is this the same as coding?

Yes! Coding is how you give instructions to a robot, and it uses maths to plan actions and decisions.