Digit ratio

Identifying and solving proportions

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

From playlist All about ratios and proportions

Ratios

This video defines a ratio and provides several examples on how to write a ratio and shows how to simplify a ratio. http://mathispower4u.wordpress.com/

From playlist Ratios and Rates

Introduction to Ratios

Basic ratio problems. (from KhanAcademy.org)

From playlist Algebra

Three ways to solve a proportion

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

From playlist All about ratios and proportions

Equivalent ratios

This is a short video tutorial on equivalent ratios. ✤ ✤ ✤ INTERACTIVE APPLETS AND WORKSHEETS ✤ ✤ ✤ http://fearlessmath.net ✤ ✤ ✤ FOLLOW ME ON TWITTER ✤ ✤ ✤ http://twitter.com/dhabecker

From playlist All about ratios and proportions

Ratios Introduction - what are ratios?

Ratios are used to compare different quantities. In this introduction to ratios we will look at what ratios are, how we deal with ratios of different measurement units and that ratios can be simplified. To donate to the tecmath channel:https://paypal.me/tecmath To support tecmath on Pa

From playlist Ratios

Unit ratios (unit rates)

This is a short video tutorial on unit ratios...also called unit rates. For interactive applets, worksheets, and more videos go to http://www.mathvillage.info

From playlist All about ratios and proportions

The Golden Ratio

This video introduces the Golden ratio and provides several examples of where the Golden ratio appears. http:mathispower4u.com

From playlist Mathematics General Interest

Introduction to Decimals, lesson 12 #shorts

Watch the full playlist: https://www.youtube.com/watch?v=kcxK3_sROZA&list=PL14bv5vXK2WWuODhGbpPQA0GamV5ohOVb&index=1 Our Decimal System lets us write numbers as large or as small as we want, using the decimal point. Digits can be placed to the left or right of a decimal point, to show valu

From playlist Celebrities Teach Math: The Number System

Numbers as bits (2 of 2)

How we represent numbers in computers. Part of a larger series teaching programming. Visit codeschool.org Twitter: @brianwill

From playlist Numbers as bits

99 Problems #7 - GCSE Edexcel Maths - Q73-80 - exam style questions & revision

Q73-80 of 99 problems of exam style questions for the edexcel higher tier. paper - http://bit.ly/34leFM2 mark scheme - http://bit.ly/2OguJsZ full playlist with walkthrough of the whole paper: https://www.youtube.com/watch?v=yVUZhPyZexY&list=PLm4auYJQkF_oWOza0GJGTjbccZpxrNKyr Topics co

From playlist 99 problems - GCSE Higher revision

Algebra 1 11.4a - Irrational Numbers and Square Roots

From the Algebra 1 course by Derek Owens.

From playlist Algebra 1 Chapter 11 (Selected videos)

GCSE Maths AQA November 2019 Paper 1 Foundation Tier Walkthrough

AQA GCSE Maths past paper November 2019 Foundation Tier - Paper 1 non-calculator. Complete exam past paper walk through. Help revise for the 8300 new specification 9-1 mathematics exams and your mock. This walkthrough tutorial has full solutions to each question, so you can use it like a

From playlist AQA GCSE Maths November 2019 Series - All papers

Back to the GAS Lab

Here are the URLs for today's 5 GAS (Genuinely Approachable Sudoku) puzzles. Hat times are given as (two hats/one hat). Any correct solution gets you a dinosaur. GAS 591 – Tens Digit Product by clover! https://tinyurl.com/2p85dadt https://f-puzzles.com/?id=2e3eljsj Normal sudoku rule

From playlist All the GAS - Genuinely Approachable Sudokus

Verónica Becher: Independence of normal words

Abstract : Recall that normality is a elementary form of randomness: an infinite word is normal to a given alphabet if all blocks of symbols of the same length occur in the word with the same asymptotic frequency. We consider a notion of independence on pairs of infinite words formalising

From playlist Logic and Foundations

Why Pi? | Exploratorium

Pi Day was founded at the Exploratorium in 1988—but why do we celebrate the ratio between a circle’s circumference and diameter? Dig into the history of Pi Day, how the ratio is calculated, and fun ways to play with pi. https://www.exploratorium.edu/pi

From playlist Pi Day | Exploratorium

Unusual Decimal-to-Fraction Conversion that Just WORKS

Continued fractions prove to be an invaluable tool in converting decimals back to their fractions when you have limited information. They can also be used to find good fractional approximations for irrational numbers and in finding original square roots based solely off of their decimal ex

From playlist Summer of Math Exposition Youtube Videos

Marc Levoy - Lectures on Digital Photography - Lecture 10 (20apr16).mp4

This is one of 18 videos representing lectures on digital photography, from a version of my Stanford course CS 178 that was recorded at Google in Spring 2016. A web site that includes all 18 videos, my slides, and the course schedule, applets, and assignments is http://sites.google.com/sit

From playlist Stanford: Digital Photography with Marc Levoy | CosmoLearning Computer Science

Electrical Engineering: Ch 5: Operational Amp (23 of 28) Digital to Analog (D to A) Converter

Visit http://ilectureonline.com for more math and science lectures! In this video I will explain a digital to analog (D to A) converter. Next video in this series can be seen at: https://youtu.be/6Byx0Vz6AHc

From playlist ELECTRICAL ENGINEERING 5: OPERATIONAL AMPLIFIERS

Divisibility Rules

This video covers the divisibility rules for 2,3,4,5,6,8,9,and 10. http://mathispower4u.yolasite.com/

From playlist Factors, Prime Factors, and Least Common Factors