Sailing crew jobs maths challenge

Quick answer

When you're part of a sailing crew, you need to share jobs fairly among the team. Division helps you work out how many people are needed for each job or how many tasks each person does.

Learning outcome

By the end of this page, you will be able to use division to share jobs fairly among a sailing crew, so everyone knows their role and the boat sails smoothly.

• I can share a number of jobs equally between crew members
• I can find how many tasks each person does when jobs are shared
• I can work out how many people are needed for a job if I know how many tasks there are
• I can solve real problems about crew jobs using division

Why this matters

Division is like sharing fairly. In sailing, if there are 12 tasks and 4 crew members, you need to divide 12 by 4 to find out that each person does 3 tasks. This helps the boat sail better because everyone knows what to do. You use division in many sports, games, and everyday life when you share things or work out how many of something you need.

How it works

Division means sharing something equally. If you have 12 cookies and 4 friends, you divide 12 by 4 to see that each friend gets 3 cookies. In sailing:

1. Count how many jobs or tasks there are
2. Count how many crew members there are
3. Divide the number of jobs by the number of crew
4. Each person gets the answer number of jobs

Division is the opposite of multiplication. If 3 people each do 4 jobs, that's 3 × 4 = 12 jobs total. If you know there are 12 jobs and 3 people, you divide 12 ÷ 3 = 4 jobs per person.

Examples you can see

Imagine you're on a sailing boat with 6 crew members. There are 18 tasks to do before the race starts. You need to share these tasks equally among everyone.

Each crew member does 3 jobs when there are 18 tasks and 6 people. You can draw this as 6 groups of 3 dots or circles to show 6 people with 3 tasks each.

Try it as a mini adventure

Adventure: The Sailing Crew Challenge

You are captain of a sailing boat with 5 crew members. Before the race, you need to assign jobs. There are 20 tasks to do. You must decide how many tasks each person does.

1. First time: How many tasks does each person do? 20 ÷ 5 = ?
2. Second time: If you add 1 more crew member, how many tasks does each person do now? 20 ÷ 6 = ?
3. Third time: If you have 10 tasks and 2 crew members, how many tasks does each person do? 10 ÷ 2 = ?
4. Fourth time: If you have 15 tasks and 3 crew members, how many tasks does each person do? 15 ÷ 3 = ?

Can you solve all four challenges? Try drawing a picture or using your fingers to help.

Common mistakes

• Mistake: Thinking 10 ÷ 2 = 5, but then saying each person does 2 tasks.
  Why it happens: Confusing which number is the total and which is the group count.
  Fix: Remember that 10 ÷ 2 means "how many in each group" when there are 2 groups. So each person does 5 tasks.
• Mistake: Forgetting that 0 ÷ any number = 0.
  Why it happens: Not knowing that if there are no tasks, no one does any tasks.
  Fix: If there are 0 tasks and 5 people, each person does 0 tasks. 0 ÷ 5 = 0.
• Mistake: Saying 12 ÷ 3 = 4, but then thinking 3 × 4 = 12 is wrong.
  Why it happens: Mixing up multiplication and division.
  Fix: Check that 3 × 4 = 12. This confirms that 12 ÷ 3 = 4 is correct.

Parent and carer guide

Help your child by:

• Using real-life examples like sharing snacks or toys
• Letting them draw pictures to show division
• Practising with simple numbers first, like 6 ÷ 2 or 10 ÷ 5
• Encouraging them to check their answer by multiplying
• Using the sailing adventure as a fun game

Watch for:

• Confusion between division and multiplication
• Thinking division always makes numbers smaller
• Not understanding what the answer means

Remember: It's okay if they make mistakes. They're learning! If they get stuck, try using objects like counters or blocks to help.

Practice questions

1. There are 12 tasks and 4 crew members. How many tasks does each person do?
   Answer: 12 ÷ 4 = 3
2. There are 15 tasks and 3 crew members. How many tasks does each person do?
   Answer: 15 ÷ 3 = 5
3. There are 20 tasks and 5 crew members. How many tasks does each person do?
   Answer: 20 ÷ 5 = 4
4. There are 24 tasks and 6 crew members. How many tasks does each person do?
   Answer: 24 ÷ 6 = 4
5. There are 8 tasks and 2 crew members. How many tasks does each person do?
   Answer: 8 ÷ 2 = 4

FAQ

What is division?

Division means sharing something equally between groups. For example, if you have 10 apples and 2 friends, you divide 10 by 2 to see that each friend gets 5 apples.

Why do sailors need to use division?

Sailors use division to make sure jobs are shared fairly. If there are 12 tasks and 4 crew members, each person does 3 tasks. This helps the boat sail better and keeps everyone working together.

Can I use division for other things besides jobs?

Yes! You can use division to share food, split a bill, or even decide how many pieces of cake each person gets at a party.

What if there are not enough tasks for everyone?

If there are 10 tasks and 12 crew members, each person does less than one task. This might mean some people help with other jobs or you need fewer crew members.

How can I practice division at home?

You can practice by sharing toys, snacks, or household tasks. Try asking, "If we have 15 cookies and 3 people, how many cookies does each person get?"