Tuesday, August 31, 2010

Spot the mistake

Spot the mistake:

3(x + 5) = 3x + 5

4(xy + y) = 4x + 4y

7(w - 4) = 7w + 28

6(a + 2) = 6a + 12

6a + 7a + 2b = 15ab


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Pre-Algebra and My Dear Aunt Sally


Will you Please Excuse My Dear Aunt Sally? It seems she had indigestion and burped. Can you find where she is? This is how I had fun publishing my Unit on Pre-Algebra! This unit includes in-depth lessons on:

  1. Order of Operations
  2. Order of Operations with Exponents
  3. Order of Operations with Integers
  4. Writing AlgebraicExpressions
  5. Writing AlgebraicEquations
  6. Practice Exercises
  7. Challenge Exercises
So can you find my Dear Aunt Sally? And will you excuse her?

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Learning ratios

Today i will share with you on ratios. The study of ratio comes under the learning of 5 grade math. So let's learn ratios.

Ratio is the relation between two quantities of the same kind. Following are few ratio examples for your better understanding:

2:4, 6:12, 7:14, 9:18 and so on.

You can solve ratio problems in the same way as you solve math problems. You just need to understand the relation first and the process after that is pretty similar.

Today i shared with you a little help on 5 grade math, on the concept of ratio. And i also believe that you got a quality understanding. Next time we will move with some other concepts.

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Math online tutoring

i used to be a Math whiz when i was young. seriously, i was an excellent student in Math. i often competed in inter-school quiz bees as our school's representative. my parents were very pleased because they didn't need to hire a tutor for me. most students my age then had difficulty understanding the lessons in Math, and i do recall having to teach my classmates in their assignments. it was harder for students back then to actually get the help they need in comprehending the lessons.

good thing K-12 students can now get online tutoring so their lives will be a lot better when dealing with the much-dreaded subject. 5th grade Math has become easier, and so is 4th grade Math. 5th grade Math may be tougher than it looks, but with the proper online tutoring tool, students can excel in this subject, too. before they know it, adding fractions will just be a piece of cake.

online tutoring is not only great for 4th and 5th graders, but also for K-12 students who take up Algebra 2. yes, a lot of people may find Algebra 2 difficult but good thing help is now available to those who find it challenging. i know formula for volume and graphing linear equations can seem daunting, but there is hope now that online tutoring is within one's fingertips.

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Work Problem 5

The following was a question a anonymous visitor asked: Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool together?



Work problem 5 solution here


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FREE CALCULUS BOOK


The Calculus Integral [Beta0.2],
B S Thomson,
ClassicalRealAnalysis.com (2009)
.

Download a free PDF file from http://www.youpublish.com/files/23072.


Well "calculus book" doesn't quite describe it. It is an account of integration theory on the real line that starts in the initial chapters with the "calculus integral" (i.e., the original integral of Newton) and carries the development as far as the integrals of Lebesgue and Henstock-Kurzweil.

If you are, however, teaching a calculus course and have ever considered dropping the Riemann integral and its ugly step-sister the improper Riemann integral from the syllabus, then you might want to use the first three chapters as a basis for the teaching of the basic integral of the calculus.

A trade paperback version will be available shortly.

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Incredible Online Math

Introduction to fractions:

A fraction means a parts of a groups or a region. Fractions are represented as where a is the numerator and b is the denominator Do you know fraction adding.

Fractions are divided into following categories :

Proper Fractions:

In a proper fraction the denominator is greater than the numerator.
Example

Improper Fractions:

In a improper fractions numerator is more than denominator Need grade 4 math help.
Example

Mixed fractions

Mixed Fractions contains the combination of a whole and a part fractions.

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