Combinatorial game theory

Subtraction game

In combinatorial game theory, a subtraction game is an abstract strategy game whose state can be represented by a natural number or vector of numbers (for instance, the numbers of game tokens in piles of tokens, or the positions of pieces on board) and in which the allowed moves reduce these numbers. Often, the moves of the game allow any number to be reduced by subtracting a value from a specified subtraction set, and different subtraction games vary in their subtraction sets. These games also vary in whether the last player to move wins (the normal play convention) or loses (misère). Another winning convention that has also been used is that a player who moves to a position with all numbers zero wins, but that any other position with no moves possible is a draw. (Wikipedia).

Video thumbnail

Determine a Subtraction Problem Modeled on a Number Line

This video explains how to write an subtraction equation from a number line model. http://mathispower4u.com

From playlist Addition and Subtraction of Whole Numbers

Video thumbnail

Subtracting fractions

This is a short video tutorial on subtracting fractions. For interactive applets, worksheets, and more videos go to http://www.mathvillage.info

From playlist Fraction Operations

Video thumbnail

Solving Inequalities using Addition and Subtraction

This video is about Solving Inequalities using Addition and Subtraction

From playlist Equations and Inequalities

Video thumbnail

What is Set Subtraction?

What is set subtraction? In this video we go over that, the set minus set operation, and an example of subtraction in set theory. This is a handy concept to grasp to understand the complement of a set and universal sets, which I also have videos on. Links below. I hope you find this vide

From playlist Set Theory

Video thumbnail

Ex 2: Subtracting Signed Fractions

This video provides two examples of subtracting signed fractions. Complete Video Library at http://www.mathispower4u.com

From playlist Adding and Subtracting Fractions

Video thumbnail

Prealgebra 1.3a - Subtracting

An introduction to subtraction, the terms and concepts involved, and subtraction as the opposite of addition. Some example problems are carefully worked and explained. From the Prealgebra course by Derek Owens. This course is available online at http://www.LucidEducation.com.

From playlist Prealgebra Chapter 1 (Complete chapter)

Video thumbnail

What is the difference between adding and subtracting positive and negative integers

👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there value is the place holder and there sign is there di

From playlist Integer Operations

Video thumbnail

Adding And Subtracting Fractions - Quick Method

Adding and subtracting fractions by cross-multiplying or the upside down picnic table!

From playlist QTS Numeracy Skills

Video thumbnail

Game Math is easier than you think.

Linear Algebra is a scary term that is often associated with Game Development, but the reality is that the average game developer will only use simple arithmetic when making their games. My goal in this video is to demystify the math that goes into making a game and show a concrete examp

From playlist Summer of Math Exposition Youtube Videos

Video thumbnail

Games programming with visual basic lesson 4 - enemy object, subtract lives, start new game

In this tutorial you learn to subtract lives when the character collides with an enemy object. You also learn to program to reset the game. Completed game can be downloaded here: http://magicmonktutorials.com/videolist.php?supercat=2&key1=20

From playlist Computer Programming Visual Basic

Video thumbnail

Lesson 5 Module 2 Video

Math 7: Module 2 Lesson 5 on Understanding Subtraction of Integers and Other Rational Numbers.

From playlist Eureka Math Grade 7 Module 2

Video thumbnail

This Microcontroller Learns to Play Games Like a Human

The strategy for winning the Subtraction Game can be hardcoded in a computer opponent, but is there a way for the computer to discover the strategy by itself given only the rules for playing the game? Using a simplified reinforcement learning rule I demonstrate how machine learning can e

From playlist Summer of Math Exposition Youtube Videos

Video thumbnail

Construct 2 lesson 9 - Keeping the score and high scores

In this tutorial we covered: - Setting up scores: Displaying the score, changing score when bullet collides with enemy - Make the game more difficult as the score increases - Keep track of a single high score. Play the game live at http://magicmonktutorials.com/space Download source fil

From playlist Construct 2

Video thumbnail

Subtracting polynomials by using the addition method

👉 Learn how to subtract polynomials. To subtract polynomials, we first simplify the polynomials by removing all brackets. Then, we combine like terms. Like terms are terms that share the same base and power for each variable. When you have identified the like terms, we then apply the requ

From playlist How to subtract polynomials

Video thumbnail

Lockdown Friday 20th August

Recorded with https://screencast-o-matic.com

From playlist Lockdown 2021

Video thumbnail

GMAT: Math 32 | Problem solving | GMAT | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/test-prep/gmat/gmat-unit/problem-solving/v/gmat-math-32 163-166, pg. 174. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/test-prep/gmat/proble

From playlist Problem solving | GMAT | Khan Academy

Video thumbnail

Brain and Mind Games To Use On Your Friends!

Get memory training tips here https://memorycourse.brainathlete.com/memorytips/?WickedSource=Youtube&WickedID=Brain-Mind-Games-To-Use-On-Friends Brain games are fun. As a matter of fact you may have seen me on the National Geographic show Brain Games. For that show I memorized the number

From playlist Brain Training

Video thumbnail

Game Physics (in Assembler) - Computerphile

Just how do you turn basic number crunching into a physics system for gaming? Video Games programmer Matt Phillips explains. More info on Matt's Project: http://www.tanglewoodgame.com/info Matt's Kickstarter for Tanglewood: http://bit.ly/Computerphile_Tanglewood Thanks to The National V

From playlist Sega Megadrive Video Game Programming

Video thumbnail

Addition and Subtraction Of Fractions | Numbers | Maths | FuseSchool

Addition and Subtraction Of Fractions | Numbers | Maths | FuseSchool What do we need to know about adding and subtracting fractions? Fractions with unlike (or different) denominators can not be added or subtracted. In other words, you can only add and subtract fractions, if the denominato

From playlist MATHS: Numbers

Related pages

Sprague–Grundy theorem | Subtract a square | Electronic Journal of Combinatorics | Nim | Impartial game | Journal of Combinatorial Theory | Natural number | Octal game | Undecidable problem | Misère | Vector (mathematics and physics) | Beatty sequence | Wythoff's game | Golden ratio | Journal of Integer Sequences | Grundy's game | Combinatorial game theory | Fibonacci nim