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Pre-Algebra

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Cognitive Fridays: Priming and its Effects
Cognitive Fridays: Priming and its Effects 150 150 Suzanne

Priming is one of the most common influences upon students, and possibly one of the least discussed. Priming is a psychological reality of life – we are all primed in…

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Problem-Solving and Verbal Overshadowing
Problem-Solving and Verbal Overshadowing 150 150 Suzanne

Problem-solving is something we all do every day. In terms of what our brains are doing, there are two very distinct processes being used. We either analyze the problem or…

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Factoring: Least Common Multiple
Factoring: Least Common Multiple 150 150 SchoolTutoring Academy

The LCM of two numbers x and y is the least number among all the common multiples of x and y. Example: Find the LCM of 6 and 9.  …

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Converting Between Percents, Fractions and Decimals.
Converting Between Percents, Fractions and Decimals. 150 150 SchoolTutoring Academy

Percent to Fraction To convert a percent to a fraction write down percent divided by 100 and simplify the fraction. Example: Convert 18% to fraction. 18/100 = 9/50 (divided both…

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How to Do Long Division
How to Do Long Division 150 150 SchoolTutoring Academy

The number to be divided into is called the dividend and the number which divides the dividend is called the divisor. The result of division is known as quotient. Sometimes…

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Calculating Simple Interest
Calculating Simple Interest 150 150 SchoolTutoring Academy

Interest is the amount paid by the borrower to the lender or is the money earned on the deposited funds. Interest is paid or earned as a percentage of the…

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How to Calculate Profit and Loss?
How to Calculate Profit and Loss? 150 150 SchoolTutoring Academy

Profit or loss is calculated when a person sells something to someone else. If he sells it for more price than he purchased, then he makes profit other he is…

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Calculating Compound Interest
Calculating Compound Interest 150 150 SchoolTutoring Academy

Interest is the amount paid by the borrower to the lender or is the money earned on the deposited funds. Interest is paid or earned as a percentage of the…

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Math Fundamentals Properties of Zero and One
Math Fundamentals Properties of Zero and One 150 150 SchoolTutoring Academy

Zero (0) and one (1) are very special numbers. They possess the important properties given below: Addition property of zero Adding 0 to a number leaves its same. 0 is…

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Proportionality: Direct and Inverse
Proportionality: Direct and Inverse 150 150 SchoolTutoring Academy

Two quantities are said to be proportional if their ratio is constant. In other words, the two quantities are proportional if one of them is always the product of the…

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