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### The Number 9 | The Secret Knowledge of The Ancients Number Nine Code 911

The number 9 is the last number in a base 10 system which is the last and limit of all that is. Nine is a number which has many interesting qualities that other numbers do not have and has been used to hold a hidden...

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### Psychology Statistics Midterm Study Guide

Psychology Statistics Midterm Study Guide

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### Impossible, unlikely, even, likely and certain events (the probability number line).

In lower grade math questions a word can be used to describe the probability of an event happening. If an event is never going to happen then you can describe the probability as impossible. For example, the...

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### More Hands-On Math--Using the Pythagorean theorem

This Hub is about teaching Middle School Math through the use of a hands-on activity. The topic being taught here is the pythagorean theorem and the hands-on activities are the Superbowl (buying an HDTV and TV stand)...

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### Best Children's Books to Teach Place Value and Base Ten

If your students are having difficulty understanding place value, these books are sure to help. Along with titles of books that address place value are some ideas on how to use them in your classroom.

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### How to Do a Simple Regression using a Casio Calculator

Wondering if there is a way to help you out conduct a simple regression analysis? Well, there is! All you need to have is a CASIO calculator that is capable of performing the task. Read this article to find out how to...

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### How To Remember Customary System Measurement Conversions - A Mnemonic Device For Cups, Pints, Quarts, Gallons

Do you have problems converting between cups, pints, quarts, and gallons? Many people do. Learn a method of conversion that will help you to remember the units and will give you a visual way to go about converting...

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### How to Work Out Percentages - Some Tricks to Help You Work Out Percentages Without A Calculator

Quick tricks for find percentages without a calculator. In order to find x percent of any number the general way of doing that is to multiply the number by the percentage. Since percentage means hundredths of any...

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### How to work out a fraction of a number (fractions of numbers help)

To work out a fraction of a number all you need to do is divide the number by the denominator of the fraction and multiply this answer by the numerator. Example 1 Work out 3/8 of 48. First of all divide 48 by...

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### Early Proofs of the Pythagorean Theorem By Leonardo Da Vinci, Ptolemy, Thabit ibn Qurra, and Garfield

Though we all know how to use the Pythagorean Theorem, few know of the many proofs that accompany this theorem. Many of them have ancient and surprising origins.