Thinking
Print this chapterWho stole the cookie?
15 min · Critical thinking
Claim, Evidence, Reason
20 min · Critical thinking
20 uses for a paperclip
10 min · Alternatives thinking
Three ways across the river
15 min · Alternatives thinking
Bug hunt
15 min · Problem-finding
5 Whys ladder
15 min · Problem-finding
Rank the lunchboxes
15 min · Judgment and taste
Better or worse, and why?
15 min · Judgment and taste
Coin-flip forecaster
15 min · Probabilistic thinking
How sure are you?
10 min · Probabilistic thinking
Screen time and sleep loop
15 min · Systems thinking
If the bees disappeared…
15 min · Systems thinking
Real or fake?
20 min · Checking what's true
Fact, opinion or can't tell
10 min · Checking what's true
Self
Print this chapterMy mission planner
15 min · Agency
Write the missing branch
15 min · Agency
21-day streak tracker
10 min · Determination
Challenge ladder
15 min · Determination
Brain dump and check
15 min · Learning how to learn
Teach it to a toy
15 min · Learning how to learn
Bounce-back comic
15 min · Resilience
Worry thermometer and reframe bubbles
15 min · Resilience
Spot 12 differences
15 min · Deep attention
Five-minute slow look
10 min · Deep attention
People
Print this chapterStory spine
15 min · Communication and storytelling
Six-panel storyboard
20 min · Communication and storytelling
Two breakfasts
15 min · Working across cultures
Interview a grandparent
20 min · Working across cultures
Helped or harmed?
15 min · Values and ethics
Agree, unsure, disagree
20 min · Values and ethics
Promise tracker
10 min · Trustworthiness
Saying sorry well
15 min · Trustworthiness
Doing
Print this chapterInvent it
20 min · Imagination and building
Build the tallest paper tower
20 min · Imagination and building
Program your grown-up
20 min · Directing AI like a team
Make the vague request clear
15 min · Directing AI like a team
Penny doubled or $500?
20 min · Money sense
Save, spend, give
10 min · Money sense
Fold a paper fortune teller
20 min · Body and hands
Measure your home
20 min · Body and hands
Mental models
Print this chapterThe worst birthday party ever
15 min · Inversion
And then what?
15 min · Second-order thinking
What is a chair really for?
20 min · First principles
One free hour
15 min · Opportunity cost
Rice on a chessboard
15 min · Compounding
Guess the left-handers
15 min · Base rates
Draw your street from memory, then check
20 min · Map vs territory
Why are sweets at the checkout?
15 min · Incentives