Life of Fred: Mineshaft (Math)

Milligrams and Pounds, Rounding Numbers; a Trillion Pounds of Rice to Cuba; the Number of Stars in a Typical Galaxy; Three-eights of 19,416; Is a Quart less than (<) a Duck?; What to Do with Eleven Hours of Free Time Each Day; Six Is What Fraction of 24? Post Meridiem; Exponents; Extending the Domain of a Function; What Piece of Leather Made Feudalism Possible; Perpendicular Lines; Diminutives; Silent Letters; Rhombus; Can a Four-sided Figure Have Exactly Three Right Angles? Cardinality of Sets; Sectors; Most Horses Achieve Few Outstanding Things in Life; the Reason to Learn the Greek Alphabet; Square Knots; Inverse Operations; How Concrete Is Different than Cement; Prolix vs. Laconic; Freedom vs. Liberty; the Largest Cardinal Number Isn't Six; Ounces, Gills, and Pints; Italicizing Book Titles; 30% of 270; Division by 100; Broiling vs. Pan Frying; Freud, Skinner, and Maslow; the Four Types of Sentences; Maslow's Hierarchy of Needs; Pangolins; Mammals; Subtracting 3 oz. From 4 lbs. 2 oz.; Subtracting 7 Minutes 25 Seconds from 20 Minutes 10 Seconds; Subtracting 2 Gallons 1 Quart from 4 Gallons; Chords of a Circle; Three Definitions of Diameter; Steak for One-year-olds; Subtracting 40 Feet from 9 Miles; Fahrenheit to Celsius Conversions; Questions People Have at Different Stages in Life; Why You Won't Bump into Moby Dick in Kansas; Does x < y Imply y > x? Converting 39 Inches into Feet; Indications Your Daughter Will Become an English Major; Finding the Sale Price after Taking 40% Off; the Image of an Element in the Domain of a Function; 63ºF = 17 2/9ºC.