Maths Adventures
Submarine maths quest: division
A story-led junior maths adventure using depths, pressure and hidden coordinates to share rewards fairly and split teams into equal groups.
Quick answer
Division is sharing equally or splitting into equal groups. When you divide, you split something into parts so everyone gets the same amount.Learning outcome
By the end of this page, you will understand how to share things equally using division, and you will be able to solve problems like "If 12 treasure coins are shared among 3 divers, how many coins does each diver get?" Success signs:- You can split a number into equal groups
- You can use division symbols (÷) or pictures to show sharing
- You can solve real-life problems like sharing food or toys
- You can explain how division helps you share fairly
Why this matters
Division helps you share things fairly with friends, family, or team members. When you go on a submarine adventure, you might need to divide your treasure, split your team, or share your air supply. Division is used in:- Sharing food at parties
- Splitting up games or toys
- Dividing time for activities
- Planning how many people can fit in a submarine
How it works
Division means splitting something into equal parts. You can think of it like this:- Start with a total number (like 12 coins)
- Decide how many groups you want (like 3 divers)
- Share the total equally among the groups
- Count how many items each group gets
Examples you can see
Let's imagine you're on a submarine mission with your team. You find 18 treasure coins and want to share them equally among 6 divers. How many coins does each diver get? Method 1: Drawing pictures Draw 18 circles (coins) and put them into 6 groups. Count how many are in each group. Method 2: Using repeated subtraction Start with 18 and take away 6 (one group) each time until you have 0: 18 - 6 = 12 12 - 6 = 6 6 - 6 = 0 You took away 6 three times, so 18 ÷ 6 = 3 Method 3: Using multiplication Think: What number multiplied by 6 gives 18? 3 × 6 = 18 So 18 ÷ 6 = 3 Here's a table showing how to divide 18 treasure coins among different numbers of divers:| Number of Divers | Coins per Diver |
|---|---|
| 1 | 18 |
| 2 | 9 |
| 3 | 6 |
| 6 | 3 |
| 9 | 2 |
| 18 | 1 |
Try it as a mini adventure
Submarine Mission: The Treasure Hunt You are part of a team of 4 divers exploring the ocean floor. You find a chest full of 24 golden coins. You need to share them equally among your team.- First time: You have 24 coins and 4 divers. How many coins does each diver get?
- Second time: After sharing, you find another chest with 16 more coins. Now you have 40 coins total. How many coins does each diver get now?
- Third time: You meet another team of 2 divers. You decide to combine your coins and share them among all 6 divers. How many coins does each diver get?
- Fourth time: Each diver needs to place 3 coins in their underwater storage box. How many storage boxes do you need for all 24 coins?
Common mistakes
- Mistake: Thinking 12 ÷ 3 = 4 and then saying 4 ÷ 3 = 1
Why it happens: Confusing division with subtraction or not understanding the meaning of division
Fix: Remember that division means splitting into equal parts. 12 ÷ 3 means splitting 12 into 3 equal groups, so each group gets 4 items - Mistake: Forgetting that 0 divided by any number equals 0
Why it happens: Not understanding that sharing nothing among any number of people still leaves nothing
Fix: Remember: 0 ÷ 5 = 0 because you have no cookies to share among 5 friends - Mistake: Thinking 10 ÷ 2 = 5 and then saying 5 ÷ 2 = 2.5
Why it happens: Mixing up division with multiplication or not understanding that division is about equal sharing
Fix: Check your answer by multiplying: 5 × 2 = 10. This confirms 10 ÷ 2 = 5
Parent and carer guide
You can help your child learn division by:- Using everyday sharing situations like dividing snacks or toys
- Playing games where they have to split items equally
- Using physical objects like counters, blocks, or coins to show division
- Encouraging them to explain their thinking
- Noticing when they make mistakes and gently guiding them to correct them
- "How would you share 12 cookies between 3 friends?"
- "If you had 18 crayons and wanted to put them in 6 boxes, how many crayons would go in each box?"
- "Can you show me how you solved that problem?"
Practice questions
- There are 20 fish in the submarine tank. If 5 divers want to share them equally, how many fish does each diver get?
- You have 36 seashells and 6 friends. How many seashells does each friend get?
- There are 48 treasure maps. If 8 divers each get the same number of maps, how many maps does each diver get?
- 15 jellyfish are in the submarine's observation window. If 3 divers each look at the same number, how many jellyfish does each diver see?
- You find 100 pearls and want to share them among 10 divers. How many pearls does each diver get?
- 20 ÷ 5 = 4 fish
- 36 ÷ 6 = 6 seashells
- 48 ÷ 8 = 6 maps
- 15 ÷ 3 = 5 jellyfish
- 100 ÷ 10 = 10 pearls
FAQ
What does division mean?
Division means sharing or splitting something into equal parts. For example, if you have 12 cookies and 4 friends, you divide 12 by 4 to find out that each friend gets 3 cookies.
Why is division important?
Division helps us share fairly, plan activities, and solve problems. It's used in cooking, sports, games, and everyday life when you need to split things equally.
What's the easiest way to learn division?
The easiest way is to use physical objects like counters, blocks, or coins. You can also use drawings or skip counting to help understand how to share equally.
Can you divide by zero?
No, you cannot divide by zero. It's not possible to split something among zero people. For example, 10 ÷ 0 is not a valid calculation.
How does division relate to multiplication?
Division and multiplication are connected. If 3 × 4 = 12, then 12 ÷ 4 = 3. They are opposite operations that help you solve problems.