Click here to grab a copy of it. She has been learning at CMA for almost 2 years.
Amicable Numbers There are a few pair of numbers that have a very peculiar affinity for each other and are so-called "amicable numbers. It turns out that all the factors ofthat is those less than itself, add up to And, surprisingly, the factors of add up to I only know of three other pairs like these: Can you find others?
Incredible Human Calculators Oh you might know of someone who can do two- or even three-place multiplication problems in their head, and there are those who can add faster than you can using an electronic calculator, but do you know the stories of Zerah Colburn and Truman Henry Safford?
Zerah Colburn was born inthe son of a Vermont farmer. By the age of eight, he was giving mathematical exhibitions in England where he was asked by a member of the audience to compute 8 to the 16th power.
He gave the correct answer ,, in about thirty seconds, and brought the astounded audience to tears. Zerah eventually stayed in England, received his formal education there, but strangely his incredible calculating abilities waned as he aged. He died inat the age of just 36, after a life of teaching Greek, Latin, French, Spanish and English in the United States, but not before writing his autobiography in which he outlined his calculating methods.
Another calculating prodigy, Truman Henry Safford, was born incoincidentally in Vermont. When he was ten, he was given a problem in church by the Reverend H.
Multiply in your head ,,, by itself!
According to the good reverend's own account, Truman "flew around the room like a top, pulling his pantaloons over the tops of his boots, biting his hands, rolling his eyes in their sockets, sometimes smiling and talking, and then seeming to be in agony.
The boy admitted he was exhausted after this calculation. He never did any public exhibitions, went to college, studied astronomy, and like Zerah Colburn, lost much of his amazing abilities as he aged.
He died in A nice list and description of other mathematical child prodigies can be found HERE. Interesting and Little-Known Algebra and Geometry Facts Here are a few helpful and neat little facts that evade most students and teachers of algebra and geometry: Hobson The Magic Tetrahedron many thanks to R.
Leo Gillis Here's a neat trick involving all the numbers from 1 to 26, and three of the five Platonic Solids, the most basic polyhedral shapes. Let's start with the tetrahedron. A tetrahedron, sometimes called a triangular pyramid, is a shape made up of four corners, four equilateral triangular faces, and six edges.
Since each face is a triangle, it also has a total of 12 angles on its four faces.
These components can be numbered from 1 to 26 in a special way. The basis of the trick is to use three pairs of numbers in order to create a value for every part of the tetrahedron.
The three pairs are: These six numbers will be placed on the six edges of the tetrahedron. Each edge is always directly opposite another edge; that is, if you draw a line through the center of the object starting from one edge, you will always reach another edge on the opposite side.
Select any edge and place the number 1 on it. On the opposite edge place the number 2. Select any of the remaining edges and place the number 3 on it, and then place the number 6 on the opposite edge.
On the last two edges place the numbers 9 and Now you're ready to determine all the rest of the numbers, and where they go on the tetrahedron. Every corner has three edges that meet at it.
Add up the value of the three edges and give that number to the corner. Every side has three edges surrounding it. Add up the value of the three edges and give that number to the face. Every angle on the faces is formed by two edges meeting there.
Add the value of these two edges and give that number to the angle. When you are done, you will discover that you have used all the numbers from 1 to 26 without repeating any numbers!
There are two possible tetrahedra that can be made this way.Math is used in almost every aspect of life from time, to pay, to work, driving, purchases and business.
We use math to calculate sales tax, sales discounts, pay rates, payrol l withholding and taxes, speed limits, travel time, occupancy levels, optimum performance and health issues, medical measurements, temperatures, decay issues, cooling and heating.
Probably the single most cited practical application for math in our everyday life is for money management.
If you can't add or subtract correctly, its going to be very difficult for you to survive in our dollar driven society. Why exercise one side of the brain when you can stimulate both simultaneously? CMA is the pioneer of the Two-hand, Four-finger methodology that has upped the benefits of abacus mental arithmetic .
Life Without Mathematics.
world without mathematics, yet thousands in the United States alone cannot grasp mathematics, cannot learn mathematics because of "Dyscalculia" (also called Dyscalcula). Dyscalculia is a term meaning "specific learning disability in mathematics."People who suffer with a poor memory for all things mathematical have many other symptoms and characteristics.
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Shayna S. Stevens Math # June 4, Applications of Mathematics in Everyday Life Everyday there are tons of activities we engage in that inherently involve mathematics both with and without our knowledge.
What use is maths for everyday tasks? You may wonder what connects the maths you do in school to the real world. Will you ever have to solve an equation or find an angle outside your classroom?