Part 1 — Grade 8: Data detectives¶
No code. Paper, calculator, and (optionally) a spreadsheet or CODAP.
Grade 8 builds the habit at the heart of all data work: a statistical investigation. You will ask questions that data can answer, collect data fairly and with consent, record it in tidy tables, draw graphs that tell the truth, summarise and compare groups, tell a story with evidence — and ask who is missing. Your Grade 8 Maths book teaches you to calculate a mean and draw a pie chart; this part teaches you what those numbers and pictures are for.
| Unit | Title | Lessons | Project |
|---|---|---|---|
| 1 | What is data? | 3 | My data portrait |
| 2 | Asking good questions | 3 | Our survey plan |
| 3 | Collecting and recording | 3 | Collect our class data |
| 4 | Showing data | 3 | Graph gallery |
| 5 | Summarising data | 3 | What's typical in our class? |
| 6 | Comparing groups | 3 | Two places, fair comparison |
| 7 | Telling the story | 3 | Our class, our school poster (flagship) |
| 8 | Data and people | 3 | Our data charter |
Running thread: your own class survey (collected in Unit 3) is used again in Units 4–7, alongside a synthetic district table, and becomes the flagship poster in Unit 7.
Pacing: 24 lessons + 8 projects ≈ 40 periods (one a week for a year). Short on time? Units 1–5 and 7 are the core.
By the end of Grade 8 you should be able to tick every box in the "ready for Grade 9?" checklist at the end of Unit 8.