数学英语 08 How to Make Box and Whisker Plots

图片1 图片2 图片3 by Jason Marshall Weve now talked about several different useful ways for looking at and understanding a group of numbers. The mean, median, and mode are great for determining the average value, and last time we learned that t

数学英语 28 How to Use Statistics to Understand Poll Resu

by Jason Marshall In todays article, were wrapping-up our introductory series on fundamental statistics by talking about how knowledge of statistical quantities like the mean and standard deviation can help you understand the significance of the late

数学英语 30 How to Use Math to Send Encrypted Messages

by Jason Marshall Would you believe its possible to send someone a secret message secured with absolutely unbreakable encryption using only a bit of simple arithmetic? Well, it isthe solution is surprisingly simple and was used by British, German, an

数学英语 31 What are Area and Volume?

by Jason Marshall The last article about how to use math to send encrypted messages ended with a bit of a cliffhanger. The good news is that you will soon find out how the story ends. But, as I warned last time, the bad news is that that isnt going t

数学英语 32 How to Use Math to Make Estimates

by Jason Marshall In the first secret-agent math article, How to Use Math to Send Encrypted Messages, we learned how to decrypt messages secured with absolutely unbreakable encryption using nothing more than simple integer arithmetic. It was all grea

数学英语 02 How are Fractions and Division Related?

by Jason Marshall In the last episode, we talked about exactly what decimal points and decimal numbers are, and why they are so convenient to use. In the next few weeks were going to continue talking about decimals and their place in the world of mat

数学英语 20 What are Negative Numbers and Integers?

by Jason Marshall Lets kick things off with a bit of a strange question: If you were asked to walk up two stairs and then immediately back down three, how would you describe the total number of stairs youd climbed relative to where you began? Do any

数学英语 05 How To Add Quickly, Part 2

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 by Jason Marshall Continuing our quest towards turning you into a quick-calculating machine, today were building upon last weeks tips with one additional very important tip that

数学英语 04 How to Add Quickly

图片1 图片2 图片3 by Jason Marshall Today we're turning our attention to using everything we've learned so far to help you solve math problems faster than you ever thought was possible. In this article youll learn two tips to help you add quick

数学英语 23 What are the Range and Standard Deviation?

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

数学英语 01 A Math Problem

by Jason Marshall Math is known for precision. Answers to problems are usually black-and-whiteright-or-wrongright? Its true that math is usually extremely precise, but ambiguity does occasionally creep in. Just like English, the language of math isnt

数学英语 29 What are 1D, 2D, and 3D Coordinates?

by Jason Marshall Theres been a lot of talk about 2D versus 3D in the television and movie industries lately. But what exactly does one, two, and three-dimensionality really meanboth in the everyday world and in math? Well, prepare to have your curio

数学英语 39 What Do Prefixes Mean in Math? - Part 2

by Jason Marshall A few weeks ago, we began talking about the meaning of prefixes in math. In particular, we talked about the prefixes used in the metric system to represent lengths smaller than one meter. Today, were going to continue this topic by

数学英语 34 How to Multiply Fractions

by Jason Marshall In the last article, Is Multiplication Repeated Addition? we talked about what it really means to multiply two numbers. We found that the conventional meaning of multiplicationrepeated additionbreaks down when multiplying fractions,

数学英语 37 How to Estimate How Fast Someone is Running

by Jason Marshall A few weeks ago I had a Twitter conversation with the former host of QDTs Modern Manners Guy, Trent Armstrong, in which Trent said something along the lines of: I've always wondered how to tell how fast a football player is going ba

数学英语 38 What Do Prefixes Mean in Math? - Part 1

by Jason Marshall We use a lot of math words in our day-to-day lives without really understanding what they mean or where they come from. For example, prefixes like mega, giga, and tera that we use to describe computer hard drive sizes (think megabyt

数学英语 36 How to Convert Units

by Jason Marshall In the last article, we began discussing how to convert from one system of units to anotherfor example from miles to kilometersand how all of this relates to the multiplicative identity. But we didnt quite have enough time to get to

数学英语 41 What are Statistics and Estimators?

by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,

数学英语 33 Is Multiplication Repeated Addition?

by Jason Marshall In past articles weve talked at length about three of the big four traditional processes used in basic arithmetic: addition (see also How to Add Quickly), subtraction, and division. However, for one reason or another, we havent yet

数学英语 35 How to Convert Units

by Jason Marshall In the last two articles weve talked about the meaning of multiplication and how to use this meaning to make multiplying fractions easier. Today, were going to put everything weve learned about multiplication to good use by learning