[size=150]How do you [b]convert [/b]a[b] binary number, [/b][br](which uses only digits zeros(0) and ones (1) as numbers to count quantities),[br]to a [b]decimal number [/b][br](which uses digits zero (0) to nine (9) to count quantities)?[br][br]Reference : [url=https://www.cuemath.com/numbers/decimal-to-binary/]https://www.cuemath.com/numbers/decimal-to-binary/[br][br][/url]Videos : [br][url=https://www.youtube.com/watch?v=IDDmrzzB14M&t=2121s]CS50 2022 Introductory Lecture (Harvard U) @ 35 min 20s on using numbered light switches[/url][br][url=https://www.khanacademy.org/math/algebra-home/alg-intro-to-algebra/algebra-alternate-number-bases/v/number-systems-introduction]Khan Academy video on Introduction to Numbers Systems and Binary Numbers[/url] (longer)[br][br][/size][size=150]This resource can be used for numbers up to 16383, to learn how to convert values between these number systems.[br]Do your own practice by choosing a few numbers of each type, and then working out the conversions on a piece of paper, before checking your answers.[br][/size]

[size=150]Check out this fun magic trick you can play with your unsuspecting friends and show them how you can read their minds.[br][br][url=https://www.geogebra.org/m/TUb28BMF]https://www.geogebra.org/m/TUb28BMF[/url] by[url=https://www.geogebra.org/u/ballingerb] Brad Ballinger[br][/url][/size][size=150][url=https://www.geogebra.org/u/ballingerb][br][/url]Contains the pdf and images for printing out the physical cards and playing out the counting.[/size]