We are learning about Data Representation — that means finding smart ways to show information with pictures, charts, and tables.
Before we start, what is your name, Detective?
Data is information we collect. It can be numbers, words, or answers to a question.
Example: Ms. Rose asked her class, "What is your favourite pet?"
🐶 Dog, 🐱 Cat, 🐟 Fish, 🐶 Dog, 🐱 Cat, 🐶 Dog
All these answers are data! But it's hard to understand a long list. That's why we turn data into pictures and charts — that's called Data Representation.
A tally chart uses little lines to count things fast. Every 5th mark crosses the others, so we can count in groups of 5!
This shows 7 dogs: one full group of 5, plus 2 more lines.
Quick check: Count the tally below. How many are there?
A pictogram uses little pictures (symbols) to show data. It always needs a key, which tells us what each picture means.
Key: 🍎 = 1 apple eaten
This shows 5 apples were eaten.
Quick check: Each ⭐ below stands for 1 point. How many points in total?
A bar chart uses tall bars to show amounts. The taller the bar, the bigger the number!
Favourite Pets — Class 3B
Quick check: Click the tallest bar above — that's the most popular pet!
A table shows data in rows (going across) and columns (going up and down). It's neat and easy to read!
| Fruit | Votes |
|---|---|
| 🍌 Banana | 4 |
| 🍇 Grapes | 9 |
| 🍊 Orange | 6 |
Quick check: According to the table, which fruit got the most votes?
Tap each card to reveal what the word means. Learn them all before the final test!
Great work, Detective! Now let's test what you learned with 25 questions about data representation.
Take your time and read carefully. You can do it!
Great job, Detective!
You scored 0 / 25