Lesson 0 of 9
Start here
Show on a big screenWrite one number every evening: how many mangoes fell. Is that data?
Yes. This track shows what data is. It also shows what to do with it.
What this track covers
- What is data? — facts you collect and keep.
- Kinds of data — numbers, words, pictures, video and sounds.
- Groups — sorting mixed answers into a few clear groups.
- Tally marks — one mark per answer, counted in fives.
- Pictographs — one picture means a set amount.
- Bar charts — a taller bar means a bigger count.
Your maths book has a chapter on data handling. It uses the same ideas. Try each idea in its lab.