Comparing displays and distributions
Analyse how effectively different displays or visualisations show and compare data distributions, and describe the shape of a distribution and the variation in the data
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Comparing displays and distributions means practising the idea at the table with counters or paper models and one clear check. We will demo once, then your child tries.
Materials: Paper shapes or a ruler and pencil; Shape name cards. Adult traces or shows one shape and names a property (sides/angles). Child identifies three shapes or measures one simple property and records it. Done: three correct shape/property responses. Stop after the fresh check; keep optional challenge for another day.
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Start practiceComparing displays and distributions practice
Practice key ideas from Comparing displays and distributions.
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Learning resources
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Illustrative Mathematics · Practice link — not the full lesson
Comparing Test Scores
Before you open · source notes
Comparing test scores supports comparing displays and distributions. Not every causal claim.
Free, no sign-in. A teacher solution is on the same page, so use the student view with your child.
Before you openAsk the learner to compare two score displays and say one similarity and one difference.
Opening this link does not save learning or assess mastery.
Source, access and review notes
Public Illustrative Mathematics task page. The .html address responds HTTP 308 to this URL. An anonymous GET of this URL on 2026-11-12 returned HTTP 200 with no login or payment prompt. Where a teacher solution is present, it is on the same page as the student task; this check did not find a separate locked student view. An adult can use the student view section and should not read a solution aloud. Advertising was not observed in the fetched HTML text; that is not a browser, device, or ad-free guarantee. This is a paper or discussion task, not an automatically marked interactive game. Opening the link does not save practice or assess mastery. Diagrams on the page use missing or filename-only alt text, so they are not an accessible image equivalent. Accessibility still depends on an adult describing the picture.
Illustrative Mathematics. “Comparing Test Scores.” Licensed CC BY-NC-SA 4.0. External task; Gakuva does not copy, host, embed, or redistribute it.
CC BY-NC-SA 4.0 — link only
Check understanding
- Compare a column graph and a pictograph of the same data and explain which shows the differences between categories more clearly
- Describe a dot plot of hand spans as 'most values cluster around 16 cm with a few much larger'
- Explain which display best compares the heights of two classes and why
“If your child sees the same results shown in two different graphs, can they explain which graph shows the pattern more clearly and describe where most of the results sit?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Data & Statistics
- Age range
- Ages 9–13
Standards