Welcome, young detectives! Today, we'll learn about an important tool in our detective toolkit: data sorting. Data sorting helps us organise information and uncover hidden patterns. Our project is called 'The Detective's Tool', and we'll be sorting data to solve a mystery.

Let's start by gathering our clues. We have a list of 10 objects found at a crime scene. We will write down these objects on a piece of paper so we can sort them later. Follow these steps:

1. Take a blank piece of paper and a pen or pencil.
2. Write the number '1' on the left side of the paper, followed by a period (.) and a space.
3. Write the word 'pen' next to the number 1.
4. Move to the next line and write the number '2' followed by a period (.) and a space.
5. Write the word 'apple' next to the number 2.
6. Continue this process for the remaining objects in the list: key, coin, book, glasses, hat, shoe, phone, and watch. Each object should have its own line and number.

When you're done, your list should look like this:

1. pen
2. apple
3. key
4. coin
5. book
6. glasses
7. hat
8. shoe
9. phone
10. watch

In this step, we will sort our objects by colour. First, look at each object and identify its colour. Write down the colour next to the object's name on your list. For example, if you have a blue pen, write 'blue pen'.

Next, create a new list on a separate piece of paper. Group the objects based on their colours. For example, if you have a blue pen and a blue eraser, write them together under the 'Blue' group. Do this for all the colours you have identified.

Make sure to double-check your work to ensure all objects are grouped correctly by colour. This will help us uncover hidden patterns in the data later on.

We've sorted our objects by colour, but we can also sort them by size. Look at the objects in each colour group and arrange them from smallest to largest. Write the new order on a separate piece of paper.