Leo+DadMade for Leo
Interpreting Data in Graphs
Rung 4 of 4 · Mastery

Real Charts, and Reading Them Backwards

Time to use the lot on the kind of charts you actually meet — a town's rainfall, a shop's sales — and then flip it: given a sentence, can you picture the graph before you even see it?

NESA MA4-DAT-C-02Mastery

ApplyRead off a real-looking rainfall chart — then switch to “match the trend” and pick the graph that fits the words.
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Audio WalkthroughComing Soon
Video ExplainerComing Soon

Out in the real world the charts get messier — values land between gridlines, the line wiggles, the question is woollier. But it's still the same skill: read the height, decide the job, and don't trust the picture over the numbers.

Reading a Real Chart

The rainfall chart in the toy is a line graph over the months. To find the wettest month, look for the highest point — that's a "highest" job in disguise. To read a single month, trace down to its label and across to the scale, and if it lands between two gridlines, estimate: halfway between 40 and 50 is about 45. Real data rarely sits neatly on a line, so reading-between-the-lines is the everyday skill.

The move: for any real chart — read the scale first, find the point you need, estimate between gridlines, then do whichever of the four jobs the question is really asking.

Working Backwards: Words to a Graph

Flip to "match the trend" and the challenge reverses. You're given a sentence — "sales rose steadily", "visitors dipped in the middle" — and you have to picture the shape and pick the graph that matches. Rising means uphill, falling means downhill, steady means flat, a peak means up-then-down. If you can turn words into a shape, you've understood graphs from both ends — reading them and imagining them.

Why This Is the Finish Line

Reading one bar was the "aha". The four jobs made you quick. Spotting a dodgy axis made you safe. But pulling a real, messy chart apart — and being able to sketch a trend from a sentence before you even see it — that's the bit that shows up in the news, in an exam, and any time someone tries to win an argument with a graph. That's mastery.

Us, Thinking Out Loud

How do you estimate a value that lands between two gridlines?

The backwards one — how do you turn a sentence into the shape of a line?

Of the four rungs, which should we re-open in a fortnight?