Math for Liberal Studies - Lecture 3.2.2 Detecting Errors
This is the second video for Math for Liberal Studies Section 3.2: Using Check Digits. In this lecture, we continue our study of the ID number system for U.S. Postal Service money orders. Specifically, we work through several examples using the system to (1) validate ID numbers, (2) create
From playlist Math for Liberal Studies Lectures
Rounding - tenths, hundredths, thousandths
rounding tenths (questions and answers) - https://bit.ly/3tYW0St rounding hundredths - https://bit.ly/2RtDHYk rounding thousandths - https://bit.ly/2T5HQSV
From playlist Number
In this video, you’ll learn more about decimals. Visit https://www.gcflearnfree.org/decimals/ for our interactive text-based tutorial. This video includes information on: • Reading decimals • Comparing decimals We hope you enjoy!
From playlist Math Basics
How to find the five number summary for a set of ODD numbers. Finding min, max, median, Q1 and Q3 in simple steps.
From playlist Basic Statistics (Descriptive Statistics)
This video explains how to multiply decimals. http://mathispower4u.wordpress.com/
From playlist Number Sense - Decimals, Percents, and Ratios
Ex 1: Determine What Two Decimals a Given Number is Between
This video provides and example of how to determine what a given number is between to specific place value Library: http://mathispower4u.com Search: http://mathispower4u.wordpress.com
From playlist Introduction to Decimals
👉 Learn all about decimals. Decimals are numbers written with a decimal point. Digits can be written to the right or to the left of the decimal point. Digits are written to the left of the decimal point increase in value by multiples of 10 while digits written to the right decrease by mul
From playlist Decimals | Learn About
Ex 2: Determine Factors of a Number
This is the second of three videos that provides examples of how to determine the factors of a number using a numbers prime factors. Search Video Library at http://www.mathispower4u.wordpress.com
From playlist Factors and Prime Factorization
A Maths Puzzle: Find the nine digit number
Find a nine digit numbers, using the numbers 1 to 9, and using each number once without repeats, such that; the first digit is a number divisible by 1. The first two digits is a number divisible by 2; The first three digits is a number divisible by 3 and so on until we get a nine digit num
From playlist My Maths Videos
Math for Liberal Studies - Lecture 3.3.1 UPC and Routing Numbers
This is the first video lecture for Math for Liberal Studies Section 3.3: More Check Digit Systems. In this video, I discuss the idea of a weighted sum, and how this can be used to verify ID numbers for UPC's and check routing numbers.
From playlist Math for Liberal Studies Lectures
Math for Liberal Studies - Lecture 3.5.2 Hamming Distance
This is the second video for Math for Liberal Studies Section 3.5: Error-Correcting Codes. In this video, we discuss the Hamming distance between two binary messages. We also discuss the "minimum distance decoding method" for detecting and correcting errors.
From playlist Math for Liberal Studies Lectures
Rounding to the Nearest Whole/Ten/Hundred/Thousand
"Round a number to the nearest whole, ten, hundred or thousand."
From playlist Number: Rounding & Estimation
Math for Liberal Studies - Lecture 3.5.1 Parity Checksums
This is the first video for Math for Liberal Studies Section 3.5 Error-Correcting Codes. In this video, we discuss the issue of transmission errors when sending messages. We show how binary messages can be encoded with special check digits that allow us to detect these errors.
From playlist Math for Liberal Studies Lectures
Math for Liberal Studies - Lecture 3.4.1 POSTNET Bar Codes
This is the first video for Math for Liberal Studies Section 3.4: Bar Codes. In this video, I discuss different kinds of bar codes, focusing on the POSTNET code, which was used on US mail until 2013. This code uses a pattern of tall and short bars that can be used to encode ZIP code inform
From playlist Math for Liberal Studies Lectures
"Round a number to a given number of decimal places."
From playlist Number: Rounding & Estimation
Math for Liberal Studies - Lecture 3.2.1 Money Orders and Remainders
This is the first video lecture for Math for Liberal Studies Section 3.2: Using Check Digits. In this video, we'll focus on the ID number system for U.S. Postal Service money orders. This system uses a check digit that involves the remainder when a number is divided by 9. I explain how to
From playlist Math for Liberal Studies Lectures
Rounding to Significant Figures
"Round a number to a given number of significant figures."
From playlist Number: Rounding & Estimation
Hexadecimal explained | Higher than base-10 positional numeral systems
A digit is a single symbol that represents a number. In positional numeral systems, the base tells us how many distinct digits we have to express numbers using numerals. Base-2 has two digits. Base-3 has 3 digits, and this pattern holds all the way up to base-10 and beyond. What happens t
From playlist Data Science - Learn to code for beginners
Math for Liberal Studies - Lecture 3.3.2 ISBN's and Credit Card Numbers
This is the second video lecture for Math for Liberal Studies Section 3.3: More Check Digit Systems. In this video, we build on the idea of weighted sums from the previous video. We discuss two variations on that idea, applied to ISBN's (book identification numbers) and credit card numbers
From playlist Math for Liberal Studies Lectures