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Maths Adventures

Bakery maths quest: area

A story-led junior maths adventure using recipes, sharing and delicious fractions to cover floors, gardens and maps with squares.

Quick answer

Area is the amount of space inside a shape, and you can find it by counting squares or multiplying length by width.

Learning outcome

By the end of this page, you will be able to measure and calculate the area of rectangles using square units or multiplication. You will be able to:
  • Count squares to find the area of shapes
  • Use multiplication to find the area of rectangles
  • Apply area knowledge to real-life situations like baking and garden planning
  • Understand that area measures how much space something covers

Why this matters

Understanding area helps you solve real problems like:
  • Planning how much flour you need for a cake recipe
  • Figuring out how much carpet you need for your bedroom
  • Designing a garden with the right amount of space for each plant
  • Sharing a pizza fairly between friends
  • Planning where to place furniture in a room
Whether you're baking, building, gardening, or playing games, knowing how to measure area helps you make smart choices about space and materials.

How it works

Finding the area of a shape means counting how many square units fit inside it. Step 1: Count squares For simple shapes, you can count the number of small squares that fit inside. Step 2: Use multiplication For rectangles, you can multiply the length by the width to find the area quickly. Step 3: Understand square units Area is always measured in square units like square centimetres (cm²) or square metres (m²).

Examples you can see

Let's imagine you're helping at a bakery and need to plan how much space different items take up. Example 1: Cake Pan You have a rectangular cake pan that is 30 cm long and 20 cm wide.
  • Method 1: Count squares - If each square is 1 cm², you can count how many fit inside
  • Method 2: Multiply - 30 cm × 20 cm = 600 cm²
Example 2: Bakery Floor The bakery floor is 8 metres long and 5 metres wide.
  • Area = 8 m × 5 m = 40 m²
Example 3: Garden Bed A rectangular garden bed is 4 feet long and 3 feet wide.
  • Area = 4 ft × 3 ft = 12 ft²

Try it as a mini adventure

Bakery Maths Quest: The Great Cake Bake You are the head baker at a magical bakery! The boss has given you a special challenge: design a new cake recipe that fits perfectly in a square pan. Adventure Steps:
  • 1st time: You have a 10 cm by 10 cm square pan. How much space is available for your cake?
  • 2nd time: The boss says you need to make a rectangle that's 12 cm long and 8 cm wide. What is the area?
  • 3rd time: You want to make a large cake that needs 100 cm² of space. What could the dimensions be?
  • 4th time: You're planning a garden for the bakery's window boxes. Each window box is 25 cm long and 15 cm wide. What is the area?
  • 5th time: You're designing a new floor layout. The main baking area is 6 m long and 4 m wide. What is the total area?

Common mistakes

  • Mistake: Forgetting to use square units when measuring area
    Why it happens: Children often think area is just a number, not a measurement
    Fix: Always remember to write cm², m², or other square units after your answer
  • Mistake: Confusing area with perimeter
    Why it happens: Both involve measuring shapes, so they can get mixed up
    Fix: Remember perimeter is the distance around the outside, while area is the space inside
  • Mistake: Not using the correct multiplication for rectangles
    Why it happens: Children may think they need to add the sides instead of multiplying
    Fix: Always multiply length by width for rectangles
  • Mistake: Counting the edges when counting squares
    Why it happens: It's easy to accidentally count the border lines
    Fix: Focus only on the inside squares, not the edges

Parent and carer guide

To help your child with area:
  • Use everyday objects like tiles, books, or floor space to show how area works
  • Play "area detective" games around the house - "How much space does your bed take up?"
  • Encourage drawing rectangles and counting squares to build visual understanding
  • Practice multiplication facts as they're needed for area calculations
  • Remember that area is about covering space, not just measuring length or width
  • Use real recipes from cooking or baking to connect area to real life
  • Ask questions like "How many square centimetres of cake will fit in this pan?"
  • Don't worry if they make mistakes - they're learning!
  • Focus on understanding the concept, not just getting the right answer

Practice questions

  1. What is the area of a rectangle that is 5 cm long and 3 cm wide?
  2. A square has sides of 4 cm. What is its area?
  3. How much space does a 6 m by 7 m garden take up?
  4. What is the area of a 12 cm by 8 cm cake pan?
  5. A rectangular room is 10 m long and 5 m wide. What is its area?
Answers:
  1. 5 cm × 3 cm = 15 cm²
  2. 4 cm × 4 cm = 16 cm²
  3. 6 m × 7 m = 42 m²
  4. 12 cm × 8 cm = 96 cm²
  5. 10 m × 5 m = 50 m²

FAQ

What is area in maths?

Area is the amount of space inside a shape. It tells us how much surface or floor space something covers.

How do you find the area of a rectangle?

You find the area of a rectangle by multiplying its length by its width. For example, a rectangle that is 6 cm long and 4 cm wide has an area of 24 cm².

Can you find area using squares?

Yes! You can count how many small squares fit inside a shape to find its area. This works well for smaller shapes or when learning the concept.

Why do we use square units?

We use square units (like cm² or m²) because area measures space in two directions - length and width. Square units show that we're measuring both directions together.

How is area different from perimeter?

Perimeter is the distance around the outside of a shape, while area is the space inside the shape. For example, a rectangle's perimeter is the sum of all its sides, but its area is length times width.