8.5 Data Representation - Lesson 1: Across time and space

Open Ended

Activity 1a – "Think, Write, Pair, Share"

In the ‘museum’, you can see examples of ancient pieces of writing, including poems, laws, astronomical observations, mathematical exercises, and music.  

Why do you think people needed to write that down?

 

Hint: there’s more than one reason

Open Ended

Activity 1b – "Think, Write, Pair, Share"

In the ‘museum’, you can see examples of ancient pieces of writing, including poems, laws, astronomical observations, mathematical exercises, and music.  

What do you think these pieces of writing might be about?

 

Hint: there’s more than one reason

Open Ended

Activity 2a - Choosing representations

Think, write, pair, share

What do you think these pieces of writing might be about?

Open Ended

Activity 2b - Choosing representations

Think, write, pair, share

In which situation would each representation be used?

Multiple Choice

1 . What is a representation?

• A type of ancient writing

• A pattern of symbols that holds information

• A random collection of letters

• A computer program

Multiple Choice

2. Why do computers use symbols to represent information?

• To confuse users

• Because they cannot store words

• Because symbols look better

• To make communication faster

Fill in the Blank

3. A representation is a pattern of __________ that holds information.

Match

4. Match each representation with its primary purpose:

Shopping & inventory tracking 🛒

Communication for hearing-impaired 🤟

Storing digital information for scanning

Ancient form of writing 📜

• Shopping & inventory tracking 🛒

• Communication for hearing-impaired 🤟

• Storing digital information for scanning

• Ancient form of writing 📜

Categorize

Options (5)

Cuneiform

Hieroglyphs

Barcodes

QR Codes

Binary

5. Sort the following representations into "Ancient" or "Modern":

🕰 Ancient

🚀 Modern

Dropdown

6. The meaning of a representation is determined by

Select answer

Categorize

Options (5)

Cuneiform

Laws

Semaphore

Sign Language

QR codes

7 . Sort these into "Written Representations" and "Visual Representations":

✍️ Written

👀 Visual

Open Ended

8. Why do you think some representations are more convenient than others?

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