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Shopping Maths

Maths hiding in shopping: multipack snacks

Use packs of 2, 4, 6 or 10 to practise equal groups.

Quick answer

Maths hiding in shopping: multipack snacks is all about using packs of snacks to learn about equal groups and multiplication. When you buy 3 packs of 6 biscuits, you're working with 3 equal groups of 6 biscuits. This helps you understand how multiplication works in real life.

Learning outcome

By the end of this page, you will understand how to use multipack snacks to solve multiplication problems by thinking about equal groups. Success signs:
  • You can count how many items are in each pack
  • You can find the total number of items by adding equal groups
  • You can multiply packs by items per pack
  • You can solve real shopping problems using equal groups

Why this matters

Multiplication and equal groups are important in everyday life. When you go shopping, you often see items in packs. Learning how to work with these packs helps you:
  • Count quickly and accurately
  • Work out how many items you have
  • Understand how prices work
  • Make good choices when buying snacks
  • Use maths to solve real problems

How it works

When you see a pack of snacks, think of it as equal groups. If you buy 4 packs of 3 biscuits each, you have:
  • 4 groups
  • 3 biscuits in each group
  • 12 biscuits total
This is the same as 4 × 3 = 12. You can also think of it as 3 + 3 + 3 + 3 = 12.

Examples you can see

Let's look at some real shopping examples with snacks:

Example 1: Multipack cookies

You buy 5 packs of 4 cookies each.
  • Group 1: 4 cookies
  • Group 2: 4 cookies
  • Group 3: 4 cookies
  • Group 4: 4 cookies
  • Group 5: 4 cookies
Total: 4 + 4 + 4 + 4 + 4 = 20 cookies Or: 5 × 4 = 20 cookies

Example 2: Multipack crisps

You buy 3 packs of 6 crisps each.
  • Group 1: 6 crisps
  • Group 2: 6 crisps
  • Group 3: 6 crisps
Total: 6 + 6 + 6 = 18 crisps Or: 3 × 6 = 18 crisps

Example 3: Multipack juice boxes

You buy 2 packs of 8 juice boxes each.
  • Group 1: 8 juice boxes
  • Group 2: 8 juice boxes
Total: 8 + 8 = 16 juice boxes Or: 2 × 8 = 16 juice boxes

Try it as a mini adventure

Adventure: The Snack Shop Challenge You're going to the shop to buy snacks for a party. You have £10 to spend and want to make sure you get the most snacks possible. Step 1: You see packs of 3 biscuits for £1 each. How many biscuits can you buy with £10?
  • 1 pack = 3 biscuits
  • 10 packs = 10 × 3 = 30 biscuits
Step 2: You see packs of 4 crackers for 50p each. How many crackers can you buy with £10?
  • 1 pack = 4 crackers
  • 20 packs = 20 × 4 = 80 crackers
Step 3: You see packs of 5 fruit snacks for 80p each. How many fruit snacks can you buy with £10?
  • 1 pack = 5 fruit snacks
  • 12 packs = 12 × 5 = 60 fruit snacks
Step 4: Which option gives you the most snacks?
  • 30 biscuits
  • 80 crackers
  • 60 fruit snacks
Answer: 80 crackers give you the most snacks!

Common mistakes

  • Mistake: Counting the number of packs instead of the number of items in each pack. Why it happens: Children get confused between "how many packs" and "how many items". Fix: Ask "How many snacks are in each pack?" before counting the packs.
  • Mistake: Adding the number of packs and items together. Why it happens: Mixing up addition and multiplication. Fix: Remember that multiplication is repeated addition of equal groups.
  • Mistake: Forgetting to count all the packs. Why it happens: Not checking all items in a row. Fix: Count each pack one by one and write down the number.
  • Mistake: Confusing "3 packs of 4" with "4 packs of 3". Why it happens: Reading the numbers in the wrong order. Fix: Always read the sentence carefully: "3 packs of 4" means 3 groups of 4.

Parent and carer guide

As a parent or carer, you can help your child learn about equal groups in shopping with these simple steps:
  • Practice at home: Use small objects like buttons, coins, or pasta to make equal groups. Ask your child to count how many groups there are and how many items are in each group.
  • Real shopping: When you're at the shop, ask your child to count how many items are in each pack and how many packs you're buying.
  • Counting together: If you buy 3 packs of 6 crackers, count them together: "1, 2, 3, 4, 5, 6" for the first pack, then "7, 8, 9, 10, 11, 12" for the second pack, and so on.
  • Make it fun: Turn shopping into a game. Ask questions like "How many biscuits will we have if we buy 4 packs of 5?"
  • Check understanding: Ask your child to explain how they worked out a problem. This helps them understand their own thinking.
  • Be patient: Some children need time to understand equal groups. Don't rush them.

Practice questions

  1. How many biscuits are in 5 packs of 4 biscuits each?
    • Answer: 5 × 4 = 20 biscuits
  2. How many juice boxes are in 3 packs of 6 juice boxes each?
    • Answer: 3 × 6 = 18 juice boxes
  3. How many cookies are in 2 packs of 8 cookies each?
    • Answer: 2 × 8 = 16 cookies
  4. How many crisps are in 6 packs of 3 crisps each?
    • Answer: 6 × 3 = 18 crisps
  5. How many fruit snacks are in 4 packs of 5 fruit snacks each?
    • Answer: 4 × 5 = 20 fruit snacks

Challenge questions

  1. How many biscuits are in 7 packs of 3 biscuits each?
    • Answer: 7 × 3 = 21 biscuits
  2. How many crackers are in 8 packs of 2 crackers each?
    • Answer: 8 × 2 = 16 crackers
  3. How many juice boxes are in 9 packs of 4 juice boxes each?
    • Answer: 9 × 4 = 36 juice boxes

FAQ

What is a multipack snack?

A multipack snack is a group of the same type of snack sold together in a pack. For example, a pack of 6 biscuits or a pack of 4 crackers.

How can I help my child understand equal groups?

You can use everyday objects like buttons, pasta, or toys to make equal groups. Ask your child to count how many items are in each group and how many groups there are.

Why is learning about multipack snacks important?

Learning about multipack snacks helps children understand multiplication and equal groups, which are key skills for future maths learning. It also helps them understand how prices work in real life.

Can I use this maths in other situations?

Yes! You can use this maths when you buy pencils in packs, eggs in cartons, or even when you're sharing snacks with friends.

What if my child finds this hard?

Start with smaller numbers and use physical objects to help them understand. Practice counting equal groups and make it fun with games or real shopping experiences.