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Dodgeball Maths

Dodgeball match or routine time maths challenge

A child-friendly sports challenge using match or routine time to practise time with real examples.

Quick answer

By playing dodgeball, you can learn how to measure and compare time using seconds, minutes, and routines.

Learning outcome

By the end of this page, you will be able to measure and compare time during a dodgeball game or routine using seconds, minutes, and routine stages. Success signs:
  • You can tell how long a dodgeball game or routine lasts
  • You can compare how much time different parts of the game take
  • You can count time in seconds and minutes
  • You can plan a routine with different time stages

Why this matters

Time is everywhere in sports and games! When you play dodgeball, you need to know how long the game lasts, how long each round takes, and how much time you have to get ready. Learning to measure time helps you be better at games, understand how long things take, and plan your activities. Whether you're playing dodgeball or just doing your homework, knowing how to use time helps you do better and enjoy more.

How it works

When you play dodgeball, time can be measured in different ways:
  • Seconds – like when you count to 10, or when the ball is in the air
  • Minutes – like when you play for 5 minutes or when a game is over
  • Routine stages – like warm-up, playing, and cool-down
You can count time by:
  1. Using a timer or stopwatch
  2. Counting seconds or minutes with a friend
  3. Using a number line or chart to show time

Examples you can see

Let’s look at a dodgeball game:
  • Warm-up: 3 minutes
  • Game: 10 minutes
  • Cool-down: 2 minutes
Total time = 3 + 10 + 2 = 15 minutes Example 1: If you play 5 rounds, and each round takes 2 minutes, how long does the game last?
  • Round 1: 2 minutes
  • Round 2: 2 minutes
  • Round 3: 2 minutes
  • Round 4: 2 minutes
  • Round 5: 2 minutes
Total = 2 + 2 + 2 + 2 + 2 = 10 minutes Example 2: If you have 15 seconds to get ready for each round, how many seconds in total for 4 rounds?
  • Round 1: 15 seconds
  • Round 2: 15 seconds
  • Round 3: 15 seconds
  • Round 4: 15 seconds
Total = 15 + 15 + 15 + 15 = 60 seconds (which is 1 minute)

Try it as a mini adventure

Adventure: Dodgeball Time Challenge! You are the coach of a dodgeball team. You need to plan a 20-minute routine for your team. Here’s your plan:
  1. Warm-up: 4 minutes
  2. Playing time: 10 minutes
  3. Cool-down: 6 minutes
But you want to add one more activity. You can choose:
  • Extra practice: 3 minutes
  • Review and talk: 2 minutes
Which one fits best? Let’s check:
  • Warm-up (4) + Playing (10) + Cool-down (6) + Extra practice (3) = 23 minutes (too long)
  • Warm-up (4) + Playing (10) + Cool-down (6) + Review (2) = 22 minutes (still too long)
Try this: What if you do 1 minute of extra practice and 1 minute of review?
  • Warm-up (4) + Playing (10) + Cool-down (6) + Extra practice (1) + Review (1) = 22 minutes
Hmm, still too long. What if you cut 1 minute from the cool-down?
  • Warm-up (4) + Playing (10) + Cool-down (5) + Extra practice (1) = 20 minutes
Perfect! You can fit everything in 20 minutes.

Common mistakes

  • Mistake: Thinking that 60 seconds = 1 minute, but confusing it with 100 seconds.
    Why it happens: Not knowing that 60 seconds = 1 minute.
    Fix: Use a timer or count by 60s to help remember.
  • Mistake: Adding time incorrectly.
    Why it happens: Not lining up the numbers properly.
    Fix: Write the times in a column and add carefully.
  • Mistake: Mixing up minutes and seconds.
    Why it happens: Not knowing which is longer.
    Fix: Remember that 1 minute = 60 seconds, so 1 minute is longer than 30 seconds.

Parent and carer guide

As a parent or carer, you can help your child learn about time during dodgeball by:
  • Using a timer or stopwatch when playing games
  • Letting your child count seconds or minutes during a game
  • Discussing how long each part of the game takes
  • Creating a simple schedule or chart showing the routine
  • Encouraging your child to add or subtract time in fun ways
You can also help by:
  • Noticing when your child is unsure of time
  • Using real-life examples like “How long does it take to get ready?”
  • Practising counting in 5s or 10s to help with time
  • Letting your child lead the timing
Remember, it’s okay if your child makes mistakes – they’re learning!

Practice questions

  1. How many seconds are in 2 minutes?
  2. If a dodgeball game lasts 15 minutes and you play 3 rounds, how long does each round last?
  3. You have 10 minutes to play dodgeball. If you play for 7 minutes, how much time is left?
  4. If you spend 5 seconds getting ready and 3 seconds for each round, how many seconds do you spend in total for 4 rounds?
  5. If a routine takes 20 minutes and you spend 5 minutes on warm-up, 8 minutes on playing, and 4 minutes on cool-down, how much time is left?
Answers:
  1. 2 minutes = 120 seconds
  2. 15 minutes ÷ 3 = 5 minutes per round
  3. 10 minutes – 7 minutes = 3 minutes
  4. 5 seconds (getting ready) + (3 seconds × 4 rounds) = 5 + 12 = 17 seconds
  5. 20 minutes – (5 + 8 + 4) = 20 – 17 = 3 minutes

FAQ

How do I know how long a dodgeball game takes?

You can use a timer or count the minutes and seconds. A game usually lasts 10 to 20 minutes, depending on the rules.

Why is it helpful to know how long a routine takes?

Knowing how long a routine takes helps you plan your time, make sure you don’t run out of time, and make your game more fun.

Can I use time to improve at dodgeball?

Yes! You can practice timing your warm-up, rounds, and cool-down to make your routine better.

What if I don’t have a timer?

You can count seconds or minutes with a friend, or use a clock or phone to track time.

How can I practice time during dodgeball at home?

You can set a timer for 5 minutes and see how many rounds you can play, or count how long you spend on each part of your routine.