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Shopping Maths

Maths hiding in shopping: pocket money totals

Add coins, notes and saving amounts.

Quick answer

Maths hiding in shopping: pocket money totals means using addition to work out how much money you have when you add up coins, notes, and savings. It's like being a mini shopkeeper or budget planner!

Learning outcome

By the end of this page, you will be able to add up different coins and notes to find your total pocket money, and work out how much you have saved over time. Success signs:
  • You can add up a mix of coins and notes correctly
  • You can track your savings and see how much you have saved
  • You can use addition to solve real shopping money problems
  • You can check your answers using a different method

Why this matters

Shopping maths is everywhere! When you go to the shop, you need to know if you have enough money to buy something. When you save your pocket money, you need to add it up to see how much you have. This maths helps you be a smart shopper and a good saver. It's also super useful for understanding money in general – which is important for life!

How it works

Addition is the maths we use when we want to put things together. When we add up pocket money, we:
  1. Look at each coin or note
  2. Write down how much it is worth
  3. Add them all together using column addition or counting on
  4. Check our answer by adding them again or using a calculator

Examples you can see

Let's imagine you have a piggy bank with these coins:
  • 2 x 50p coins
  • 3 x 20p coins
  • 1 x 10p coin
  • 5 x 5p coins
Step 1: Write down the value of each group:
  • 2 x 50p = 100p
  • 3 x 20p = 60p
  • 1 x 10p = 10p
  • 5 x 5p = 25p
Step 2: Add them all up:
  • 100p + 60p + 10p + 25p = 195p
Step 3: Convert to pounds if needed:
  • 195p = £1.95

Try it as a mini adventure

The Pocket Money Quest You are a shopkeeper who needs to count up all the money from customers. Every day, you collect coins and notes from people. Here's your challenge: Day 1: You get 2 x £1 coins, 3 x 50p coins, and 4 x 20p coins. Day 2: You get 1 x £2 coin, 5 x 10p coins, and 2 x 5p coins. Day 3: You get 1 x £5 note, 3 x 20p coins, and 6 x 5p coins. Mini Challenge: Add up the money from all three days to see how much you made in total. Answer:
  • Day 1: 2 x £1 = £2, 3 x 50p = £1.50, 4 x 20p = £0.80 = £4.30
  • Day 2: 1 x £2 = £2, 5 x 10p = 50p, 2 x 5p = 10p = £2.60
  • Day 3: 1 x £5 = £5, 3 x 20p = 60p, 6 x 5p = 30p = £5.90
  • Total: £4.30 + £2.60 + £5.90 = £12.80

Common mistakes

  • Mistake: Adding the wrong amount for a coin. Why it happens: Confusing 50p with 5p or £1 with 10p. Fix: Look carefully at the coin and say its name out loud. Check with a grown-up if you're not sure.
  • Mistake: Forgetting to convert pence to pounds. Why it happens: Not knowing that 100p = £1. Fix: Remember that 100p = £1. When you have 120p, that's £1.20.
  • Mistake: Adding the same coin twice or missing one. Why it happens: Not keeping track of what you've added. Fix: Use a list or a tally chart to make sure you count each coin once.
  • Mistake: Adding the notes and coins separately but forgetting to add them together. Why it happens: Thinking that notes and coins are different types of money. Fix: Always add everything together to get one total amount.

Parent and carer guide

To help your child with pocket money maths:
  • Give them real coins and notes to practice with
  • Let them count their own money after a shopping trip
  • Use a small piggy bank or jar to save money and track totals
  • Ask them to add up their savings each week or month
  • Play a game where you pretend to be a shopkeeper and they are customers
  • Encourage them to check their work by adding again or using a calculator
  • Ask questions like "How much more do you need to save to buy that toy?"
  • Make it fun by turning it into a game or challenge

Practice questions

  1. You have 3 x 20p coins, 2 x 10p coins, and 1 x 5p coin. How much money do you have?
  2. You saved £1.50 on Monday, £2.00 on Tuesday, and £1.25 on Wednesday. How much have you saved?
  3. You have 1 x £5 note, 2 x £2 coins, and 5 x 50p coins. What is your total?
  4. You get 3 x 50p coins, 4 x 20p coins, and 6 x 10p coins. What is the total amount?
  5. You have 2 x £1 coins, 1 x £2 coin, 3 x 50p coins, and 4 x 20p coins. How much money is this?
Answers:
  1. 3 x 20p = 60p, 2 x 10p = 20p, 1 x 5p = 5p. Total = 85p
  2. £1.50 + £2.00 + £1.25 = £4.75
  3. 1 x £5 = £5, 2 x £2 = £4, 5 x 50p = £2.50. Total = £11.50
  4. 3 x 50p = £1.50, 4 x 20p = £0.80, 6 x 10p = 60p. Total = £2.90
  5. 2 x £1 = £2, 1 x £2 = £2, 3 x 50p = £1.50, 4 x 20p = £0.80. Total = £6.30

FAQ

What is the best way to add up pocket money?

The best way is to group the same coins together, add them up, and then add all the totals together. You can also use a calculator to check your work.

How can I make adding pocket money fun?

You can make a game where you pretend to be a shopkeeper, use a piggy bank to save money, or play a counting game with real coins and notes.

What should I do if I get confused while adding?

Take a break, write down each amount, or ask a grown-up to help you. You can also use your fingers or a number line to help you count.

How often should I add up my pocket money?

It's good to add it up weekly or monthly so you can see how much you're saving and plan what to buy.

Can I use a calculator to add pocket money?

Yes, calculators are great for checking your work, but it's important to understand how to add by hand first so you know what the answer should be.