01Core
Community and fairness
A Fair Start
Recognize unequal arrangements and describe practical improvements.
About 8 minutesOpen lesson
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YOUR LEARNING PATH
Learn a little. Keep coming back.
Each lesson pairs two reading sections with two short quizzes. Start anywhere, or work through the collection in order.
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340 of 340 lessons / Showing 1-12
02Core
Research and reasoning
From Impressions to Evidence
Separate observations, personal reports, and speculation before judging a claim.
About 8 minutesOpen lesson
03Core
Writing and communication
Saying What Matters
Build clear explanations while controlling tone, length, and focus.
About 8 minutesOpen lesson
04Core
Planning and practical judgment
A Proposal That Can Work
Distinguish an early idea, a temporary arrangement, and a workable plan.
About 8 minutesOpen lesson
05Core
Collaboration and disagreement
Finding Common Ground
Follow how firm positions can develop into a shared decision.
About 8 minutesOpen lesson
06Stretch
Motives and presentation
Reading Beneath the Surface
Examine apparent purposes, impressive surfaces, and evasive language.
About 8 minutesOpen lesson
07Core
Observation and attention
The Value of a Closer Look
Distinguish careful perception from superficial or mechanical attention.
About 8 minutesOpen lesson
08Core
Scale and resource choices
Keeping Things in Proportion
Describe differences, excess, and small changes with greater precision.
About 8 minutesOpen lesson
09Stretch
Art and criticism
Making Room for Originality
Use precise language for ordinary work, inventive choices, and complex ideas.
About 8 minutesOpen lesson
10Core
Uncertainty and problem solving
Preparing for the Unexpected
Recognize unstable situations and describe conditions that help a plan proceed.
About 8 minutesOpen lesson
11Stretch
Ethics and self-command
Responsibility Under Pressure
Weigh accountability, mitigating circumstances, and measured responses.
About 8 minutesOpen lesson
12Stretch
Perspective and new models
Beyond the Familiar
Examine narrow assumptions and recognize broader patterns without losing specificity.
About 8 minutesOpen lesson