Without Panic Maths · Statistics 15

Scatter Graphs 2

Pattern first • a sensible line of best fit • reading estimates both ways • how reliable is it? • outliers • interpolation and extrapolation

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Mini-lessons
8
Questions
119
Student Pack
84 pages
Suggested year
Year 9

What you get

  • Student Pack (PDF, 84 pages)
  • Teacher Pack (PDF) with every answer and reteach cards
  • Print as many copies as you need for your own pupils

Save with a bundle

  • Scatter Graphs & Interpreting Data4 packs · £14 £12
  • Statistics, Year 96 packs · £17.50 £15
  • Statistics: complete strand18 packs · £56 £49

What this pack does

What pupils learn

A line of best fit is one straight line that sums up the pattern in a scatter graph. This pack teaches you to draw a sensible one, use it to estimate values in both directions, and decide how far to trust the estimate.

The mini-lessons

  1. Reactivate the pattern before drawing a line
  2. What makes a line of best fit sensible?
  3. Draw lines of best fit: support fades
  4. Read an estimate from a line of best fit
  5. Reverse estimates: start from y and find x
  6. How trustworthy is the prediction?
  7. Outliers and the line of best fit
  8. Interpolation and extrapolation: same line, different risk

Inside every pack

What each part of the page is for

  1. Confidence check

    Pupils tick how a topic feels before they start, and again at the end. There are no marks, so it's an honest picture of where they are.

  2. Short mini-lessons

    Each topic is split into small steps. Every mini-lesson opens with one big idea and a short, plain-English explanation.

  3. Visuals for every idea

    Diagrams such as a formula 'rule machine' or a place-value picture show the maths, so pupils can see it as well as read it.

  4. Worked examples

    Every method is modelled step by step before pupils try it, with each stage labelled so they can follow it on their own.

  5. Scaffolded practice

    Questions start with prompts (what do you need to find, follow the example, check it makes sense) and gradually ask for more independence.

  6. Spot the trap

    Common mistakes are named before pupils make them, and Mistake Detective questions ask them to find and fix errors.

  7. Pause and think

    Short 'explain it in your own words' prompts check that pupils understand why the maths works, not just how.

  8. Teacher Pack with answers

    Every pack comes with a Teacher Pack: all the answers, plus reteach cards saying what to watch for, what to say, and what to try if a pupil is still stuck.

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