Work together to build and protect a town that is under attack by giant robots. Choose to upgrade the homes within the town and grow the population, strengthen the town walls or actively attack the robots.

Students solve problems related to the duration of time, using ‘am’ and ‘pm’, and converting between different units of time. They will work with a variety of questions that require them to calculate elapsed time and perform conversions between hours, minutes and seconds. Each correct answer helps them strengthen their town and defend it against the attacking robots. The cooperative format encourages teamwork while building fluency with essential time concepts.

Will your students protect the town and defeat the robots?

Key Learning Outcomes:

• ✅ Solve problems involving the duration of time
• ✅ Calculate elapsed time using ‘am’ and ‘pm’ formats
• ✅ Convert between units of time including hours, minutes and seconds
• ✅ Develop fluency and reasoning with time-related problem solving
• ✅ Engage in cooperative, strategic gameplay while reinforcing time knowledge

How to Play:

1. Students are presented with a time duration or conversion question.
2. They must select the correct answer based on their calculation or understanding.
3. Each correct answer helps strengthen their town - upgrading homes, building walls or attacking robots.
4. The game continues through a series of time questions.
5. Students work together to protect their town and defeat the robots!

Ideas for Classroom Use:

• 💡 Use during maths units focused on time duration and conversion
• 💡 Great for Year 4–5 students learning to calculate and compare time durations
• 💡 Pair with timetable activities or planning tasks to deepen understanding of elapsed time
• 💡 Replay to reinforce and consolidate time duration and conversion skills

Top Teacher Tips:

• 💛 Let students personalise their experience by choosing from six characters before the game begins
• 💛 Select the number of players or teams at the start of the game to suit individual, paired, or group play
• 💛 Send the QR code home for students to play as a homework or revision task

Let’s Defend – Duration of Time turns time duration practise into an exciting team challenge - helping students strengthen their skills while working together to save the town!