Active Math Posts
How To: Turn a sphere inside out
This will blow your mind. Physicists show you how this impossible trick is possible. Spheres of abstract elastic material is necessary. This is theoretical topology and helpful for understanding physics, quantum or otherwise.
How To: Play with a Mobius Strip & topology tricks
This was a three flip mobius strip with one surface that yields a loop with 8 twists. It takes 6 lines to flatten it which leads to 7 zones, one less than the number of resulting twists.
How To: Calculate fast with your body parts
Learn to calculate fast with your body parts. Amazing trick to learn easily multiplication table or times tables (in just 2 min.)
How To: Understand binary numbers in 60 seconds
Understand how binary numbers work, including how to read binary numbers, and create your own. This mathematics or computer programming tutorial is a zip to get through. It covers practical and theoretical use and need for binary code understanding. Binary means zeroes and ones in a series. This is paramount to digital transmission versus analog that transmits in a sinusodial wave form.
How To: Calculate deviation with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to calculate deviation with a TI-83 graphing calculator.
How To: Easily multiply any two digit number by 11
You likely all know the 10 rule (to multiply by 10, just add a 0 behind the number) but do you know the 11 rule? It is as easy! You should be able to do this one in your head. Learn how to easily multiply any two digit number by 11. Easy way to do math fast!
How To: Subtract negative numbers in pre-algebra
Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on subtracting negative numbers. Don't get confused with those minus symbols. Learn how to manage them correctly, and with ease.
How To: Create elaborate drawings on a graphing calculator
Texas Instruments is one of the best known companies for creating graphing calculators. In this video tutorial you will see how to use a little known feature that lets you create pretty elaborate drawings on it. This is a great time-waster in math class! Who needs algebra or geography anyways? Art class is what you need, art class on a graphing calculator.
How To: Do addition using the column addition method
Watch this math how to video and learn how to add using the column addition method. This simple addition method will help young students learn how to add. Use the column addition method to help with your homework or tutoring. Do addition using the column addition method.
How To: Analyze trigonometric functions graphically
Watch to learn how to use graphs to help analyze sine, cosine, and tangent functions in trigonometry.
How To: Master sixth grade mathematics
Math class got you down? We all know sixth grade mathematics is where we all start to lose it. We get frustrated with all of those numbers, try to figure it out, but ultimately flunk out or barely pass the class. Maybe the teacher just wasn't good enough to educate us, who knows, but there's no worries anymore.
How To: Find real and imaginary parts of a complex number
Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.
How To: Use imaginary numbers and quadratic equations
Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.
How To: Multiply complex numbers
Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.
How To: Represent complex numbers with the Argand Diagram
Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.
How To: Find the complex conjugate of a complex number
Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.
How To: Find the polar form of a complex number
Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.
How To: Solve a number sequence
Check out this instructional math video that demonstrates how to solve a number sequence. These are basically a list of numbers, and there's a pattern to figuring out which number will come next. In the 15th lesson, learn how to solve SAT problems using the Official SAT Study Guide. Here are the math problems and their page numbers that this video covers:
How To: Solve problems related to factors, multiples, & primes
Check out this instructional math video that reviews Elementary Number Theory, which is a fancy way of saying these are problems related to factors, multiples, prime numbers and remainders. In the 12th lesson, learn how to solve SAT math problems. Here are the math problems and their page numbers that this video covers:
How To: Solve math problems on number lines
Check out this instructional math video that demonstrates how to solve number lines. In the 11th lesson, learn how to solve SAT problems using the Official SAT Study Guide. Here are the math problems and their page numbers that this video covers:
How To: Solve intergers and their properties
Check out this instructional math videos that demonstrate how to solve intergers and their properties. In the 10th lesson, learn how to solve SAT Math problems involving integers and your knowledge of integer properties. Here are the math problems and their page numbers that this video covers:
How To: Get started with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to get started with a TI-83 graphing calculator. This will show you how to turn your calculator on and off as well as how to darken or lighten your screen. Get started with a TI-83 graphing calculator.
How To: Clear a list with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to clear a list with a TI-83 graphing calculator.
How To: Create histograms with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to create histograms with a TI-83 graphing calculator.
How To: Create a histogram with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to create a histogram with a TI-83 graphing calculator.
How To: Create boxplots with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to create boxplots with a TI-83 graphing calculator.
How To: Create scatter plots with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to create scatter plots with a TI-83 graphing calculator.
How To: Measure dispersion with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to measure dispersion with a TI-83 graphing calculator.
How To: Do binomial probability w/ a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to do binomial probabilities with a TI-83 graphing calculator.
How To: Central limit with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to use the central limit with a TI-83 graphing calculator.
How To: Construct intervals with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to construct intervals with a TI-83 graphing calculator.
How To: Find intervals with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to find intervals with a TI-83 graphing calculator.
How To: Proportion population with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to proportion population with a TI-83 graphing calculator.
How To: Test a population mean with a TI-83 graphic calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to test a population mean with a TI-83 graphic calculator.
How To: Pair or match with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to pair or match with a TI-83 graphing calculator.
How To: Do a regression equation w/ a TI-83 graphic calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to determine a regression equation with a TI-83 graphic calculator. That's not all...
How To: Do a chi-square test on a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to perform a chi-square test on a TI-83 graphing calculator.
How To: Use ANOVA with a TI-83 graphing calculator
Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to use ANOVA with a TI-83 graphing calculator. What is ANOVA? One-way Analysis of Variance.
How To: Start using Computer Aided Design (CAD)
In this CNC Basics Video we go over CAD. CAD Stands for Computer Aided Design. During the CAD step we take our initial design and translate it into the computer. We do this CNC Step so we can change the design, resize it, save it, transfer it to someone else, etc. So check out this beginners tutorial on how to use CAD.
How To: Compute mathematical problems in your head
This educational video tutorial will show you how to compute mathematical problems in your head. You will see some techniques to do some maths problems in your mind. Learn to do algebraic computations in the head without having to look at a calculator. Become a human calculator!