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A fun, interactive, and award-winning, online kindergarten-readiness learning solution for children ages 3 to 6 years. With hundreds of lessons in math, science, social studies, language and literacy, art, and music, the curriculum increases in difficulty as the user progresses through the program.
Author
Pub. Date
2024.
Language
English
Description
"The remarkable next novel from Matt Haig, the author of #1 New York Times bestseller The Midnight Library, with more than nine million copies sold worldwide "What looks like magic is simply a part of life we don't understand yet..." When retired math teacher Grace Winters is left a run-down house on a Mediterranean island by a long-lost friend, curiosity gets the better of her. She arrives in Ibiza with a one-way ticket, no guidebook and no plan....
Publisher
The Great Courses
Language
English
Description
We commonly define the Pythagorean theorem using the formula a2 + b2 = c2. But Pythagoras himself would have been confused by that. Explore how this famous theorem can be explained using common geometric shapes (no fancy algebra required), and how it’s a critical foundation for the rest of geometry.
Author
Series
Great Courses volume 9
Language
English
Description
Logic is intellectual self-defense against such assaults on reason and also a method of quality control for checking the validity of your own views. But beyond these very practical benefits, informal logic—the kind we apply in daily life—is the gateway to an elegant and fascinating branch of philosophy known as formal logic, which is philosophy’s equivalent to calculus. Formal logic is a breathtakingly versatile tool. Much like a Swiss army...
Author
Publisher
Basic Books
Language
English
Formats
Description
It is one of the wonders of mathematics that, for every problem mathematicians solve, another awaits to perplex and galvanize them. Some of these problems are new, while others have puzzled and bewitched thinkers across the ages. Such challenges offer a tantalizing glimpse of the field's unlimited potential, and keep mathematicians looking toward the horizons of intellectual possibility.
In Visions of Infinity, celebrated mathematician...
In Visions of Infinity, celebrated mathematician...
Publisher
The Great Courses
Pub. Date
2017.
Language
English
Description
Professor Benjamin introduces the ABCs of math appreciation: The field can be loved for itsapplications, itsbeauty and structure, and itscertainty. Most of all, mathematics is a source of endless delight through creative play with numbers.
Publisher
The Great Courses
Pub. Date
2016.
Language
English
Description
Probe the computational miracle of place value--where a digit's position in a number determines its value. Use this powerful idea to create a dots-and-boxes machine capable of performing any arithmetical operation in any base system--including decimal, binary, ternary, and even fractional bases.
Publisher
The Great Courses
Pub. Date
2016.
Language
English
Description
Negative numbers are often confusing, especially negative parenthetical expressions in algebra problems. Discover a simple visual model that makes it easy to keep track of what's negative and what's not, allowing you to tackle long strings of negatives and positives--with parentheses galore.
Publisher
The Great Courses
Pub. Date
2017.
Language
English
Description
Delve into decision trees, which are graphs that use a branching method to determine all possible outcomes of a decision. Trees for continuous outcomes are called regression trees, while those for categorical outcomes are called classification trees. Learn how and when to use each, producing inferences that are easily understood by non-statisticians.
Publisher
The Great Courses
Pub. Date
2014.
Language
English
Description
Continue the work of classification with triangles. Find out what mathematicians mean when they use words like scalene, isosceles, equilateral, acute, right, and obtuse. Then, learn how to use the Pythagorean theorem to determine the type of triangle (even if you don’t know the measurements of the angles).
Publisher
The Great Courses
Pub. Date
2009.
Language
English
Description
Apply what you've discovered about equations of lines to two very special types of lines: parallel and perpendicular. Learn how to tell if lines are parallel or perpendicular from their equations alone, without having to see the lines themselves. Also try your hand at word problems that feature both types of lines.
Publisher
The Great Courses
Pub. Date
2014.
Language
English
Description
So far, you’ve seen how to calculate the sine, cosine, and tangents of basic angles (0°, 30°, 45°, 60°, and 90°). What about calculating them for other angles—without a calculator? You’ll use the Pythagorean theorem to come up with formulas for sums and differences of the trig identities, which then allow you to calculate them for other angles.
Publisher
The Great Courses
Pub. Date
2017.
Language
English
Description
Arguably the most important area of mathematics, algebra introduces the powerful idea of using an abstract variable to represent an unknown quantity. This lecture demonstrates algebra's golden rule: Do unto one side of an equation as you do unto the other.
Publisher
The Great Courses
Pub. Date
2009.
Language
English
Description
Advance to the next level of problem solving by using variables as the building blocks to create algebraic expressions, which are combinations of mathematical symbols that might include numbers, variables, and operation symbols. Also learn some tricks for translating the language of problems (phrases in English) into the language of math (algebraic expressions).
Publisher
The Great Courses
Pub. Date
2009.
Language
English
Description
Much of what you've learned about linear and quadratic expressions applies to adding, subtracting, multiplying, and dividing polynomials. Discover how the FOIL operation can be extended to multiplying large polynomials, and a version of long division works for dividing one polynomial by another.
Publisher
The Great Courses
Pub. Date
2016.
Language
English
Description
One sheet of paper lying directly atop another has all its points aligned with the bottom sheet. But what if the top sheet is crumpled? Do any of its points still lie directly over the corresponding point on the bottom sheet? See a marvelous visual proof of this fixed-point theorem.
Publisher
The Great Courses
Pub. Date
2015.
Language
English
Description
Randomly pick a real number between 0 and 1. What is the probability that the number is a fraction, such as ¼? Would you believe that the probability is zero? Probe this and other mind-bending facts about infinite sets, including the discovery that made Cantor exclaim, "I see it, but I don't believe it!"
Publisher
The Great Courses
Pub. Date
2009.
Language
English
Description
Begin to find solutions for quadratic equations, starting with the FOIL technique in reverse to find the binomial factors of a quadratic trinomial (a binomial expression consists of two terms, a trinomial of three). Professor Sellers explains the tricks of factoring such expressions, which is a process almost like solving a mystery.
Publisher
The Great Courses
Pub. Date
2015.
Language
English
Description
Classical mechanics is full of paradoxical phenomena, which Professor Kung demonstrates using springs, a slinky, a spool, and oobleck (a non-Newtonian fluid). Learn some of the physical principles that make everyday objects do strange things. Also discussed (but not demonstrated) is how to float a cruise ship in a gallon of water.
Publisher
The Great Courses
Pub. Date
2015.
Language
English
Description
Discover why all numbers are interesting and why 0.99999... is nothing less than the number 1. Learn that your intuition about breaking spaghetti noodles is probably wrong. Finally, see how averages - from mileage to the Dow Jones Industrial Average - can be deceptive.
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