Explore a time series. Find the pattern that best describes the signal.
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CURRENT RANKTrend Rookie
TIME-SERIES CHALLENGE
The Monday Ledger
FOUNDATION
SCENARIO
ILLUSTRATIVE BUSINESS DATA12 OBSERVATIONS
YOUR READ
Which trend pattern best fits?
Choose the strongest explanation of the chart's shape.
FIELD HINT
Compare the whole series, not just its most dramatic point.14 PATTERN TYPES
COMPLETION TRACKER
Your challenge checklist.
A read-only checklist. Trend types, chart shapes, and answers are intentionally hidden here. You cannot launch a challenge from this list.
TREND REFERENCE LIBRARY
Learn the shape. Understand the signal.
All 14 trend patterns, grouped into three families. Each entry includes a plain-language explanation, a chart example, and the visual clue to look for. Charts use synthetic training data.
14 patterns3 families100 challenges
YOUR FIELD NOTES
Progress report.
Your learning history and preferences stay in this browser profile.
Recent attempts
ABOUT THIS APP
Read change with confidence.
Trend Tracker is an offline-first data literacy game for recognising 14 common time-series patterns across 100 challenges.
How to play
Inspect the time-series chart and axis.
Select the pattern that best describes the shape.
Read the feedback to learn the defining signal.
Visit Challenges to check which challenge numbers are completed.
Display preferences
Use the theme selector to choose Light, Dark or High contrast. Choose a different accent colour and adjust text size for comfortable reading.
Privacy and backups
Gameplay uses embedded data and local JavaScript. No AI, accounts, analytics or remote services are required. Progress is stored in browser local storage and is not encrypted. Browser data can be cleared; persistence can vary when a standalone file is opened directly. Export regular backups and keep a separate copy.
Reset all challenges
Clear your current challenge position, scores, streaks, answer counts and attempt history on this device. Your theme, accent colour and text size will be kept. This cannot be undone, so export a backup first if you may need it later.