Count By 5’s & 10’s LET’S DEFEND

Years

1 - 3

Pages

Digi-Game

Description

Work together to build and protect a town that is under attack by giant robots! In this high-energy digital game, students will use their number pattern skills to defend the town while building homes, strengthening walls, or launching attacks to defeat the robots.


Each correct answer unlocks a powerful action that lets players choose how to support their community. Will they grow the population, reinforce their defences, or take on the robots head-on? This strategic layer keeps students engaged while they practise identifying number patterns through skip counting.


Count by 5’s & 10’s – LET’S DEFEND helps students consolidate skip counting skills by identifying missing numbers in a sequence. With numbers to 100 and skip counts of 5 and 10, this game is ideal for students in Years 1 to 3 as they build confidence in pattern recognition and mental maths.


Key Learning Outcomes:

  • ✅ Identify missing numbers in patterns counting by 5s and 10s
  • ✅ Recognise and extend number sequences to 100
  • ✅ Develop skip counting fluency to support multiplication concepts
  • ✅ Apply number knowledge to an engaging, team-based context
  • ✅ Strengthen problem-solving and decision-making in a gamified setting

How to Play:

  1. Students are shown a number pattern with a missing number.
  2. They choose the correct number to complete the pattern by skip counting in 5s or 10s.
  3. Each correct answer earns one action - upgrade homes, build stronger walls, or attack the robots!
  4. Players work as a team to keep their town safe and defeat the robots before time runs out.

Ideas for Classroom Use:

  • 💡 Use during maths rotations to revise skip counting in a highly motivating format.
  • 💡 Play as a class and discuss number patterns together using the IWB for group strategy.
  • 💡 Challenge small groups to improve their previous score by replaying and trying new strategies.
  • 💡 Use incorrect answers as discussion starters to explain why an option does or doesn’t belong in the pattern.

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.
  • 💛 Use the QR code to send the game home for extra practise or as an alternative homework option.

Count by 5’s & 10’s – LET’S DEFEND is the perfect way to combine skip counting practice with collaborative gameplay and strategic thinking!

Additional information

Australian Curriculum Code

AC9M1A01, AC9M2A01, AC9M3A03

Australian Curriculum V9

F - 6

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