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Tricky SAT Grammar Rules 400 300 School Tutoring

Tricky SAT Grammar Rules

There are a number of difficult grammar rules that seem to exist solely to cause problems for students writing the SAT. Today, I will be focusing on two in particular, the distinction between ‘was’ and ‘were’, and how to distinguish a correct parallelism from an incorrect one. In order to dispel some of the confusion…

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Optics: Reflection and Refraction 415 425 School Tutoring

Optics: Reflection and Refraction

You may have seen your reflection in a mirror or maybe a rainbow pattern in a puddle of oil and wondered what exactly you were seeing. With the help of optics this can all be explained. Optics is the branch of physics where the behaviour and properties of light are studied. To understand how you…

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SAT Math Review: The Vertex Form of a Quadratic 272 314 School Tutoring

SAT Math Review: The Vertex Form of a Quadratic

The vertex form of a quadratic has the form y = m(x – s)2 + t for some m, s and t. This form is used to easily find the vertex of a quadratic which can be found at point (s, t). To take a quadratic in the form y = ax2 + bx +…

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Addition Theorem on Probability 150 150 SchoolTutoring Academy

Addition Theorem on Probability

The probability of happening an event can easily be found using the definition of probability. But just the definition cannot be used to find the probability of happening at least one of the given events. A theorem known as “Addition theorem” solves these types of problems. The statement and proof of “Addition theorem” and its…

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Ratio and Proportion 150 150 SchoolTutoring Academy

Ratio and Proportion

Ratio: In a group of people, there are 20 men and 25 women then the ratio of men to women is 20/25. Here since the word men came first its number 20 came first. If the ratio is women to men then the corresponding ratio is 25/20. So, while writing a ratio the order of…

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Mathematics Review: Exponents 600 450 School Tutoring

Mathematics Review: Exponents

Exponents are the shorthand notation for the repeated multiplication of a single number by itself. For example, if we want to multiply the number 5 by itself 3 times, that is we want to perform the operation 5x5x5, the notation which we would use is 5^3. Consider the example: 5x5x5 = 5^3 In this example,…

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From Standard to Vertex and Back! 550 300 School Tutoring

From Standard to Vertex and Back!

Parabolic equations can be some of the trickiest types of equations out there. One of the most common problems students have when dealing with parabolas is when it is given in a form they don’t recognize. If you can’t understand the equation, you can’t use it properly. The two forms I will discuss are known…

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Algebra: What is Direct Proportion? 150 150 SchoolTutoring Academy

Algebra: What is Direct Proportion?

A person went to a super market and purchased some items and calculated the bill. After that he added few more items to the list and observed that there is an increasing of the total cost in the latest bill. Here the total cost is getting increased with the increase of the total number of…

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Geometry: Understanding the Pythagoras Theorem 150 150 SchoolTutoring Academy

Geometry: Understanding the Pythagoras Theorem

Years ago, a mathematician namely Pythagoras stated a theorem on right angles triangles. Hence the theorem is named as Pythagoras theorem. Pythagoras theorem states that “In a right angled triangle, the square of length of the hypotenuse (the longest side) is the sum of the squares of the other two sides. By Pythagoras theorem, c2…

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Number Systems in Math 401 359 School Tutoring

Number Systems in Math

Today, we have different number systems. Most students learn these number systems during their middle school. Some of these number systems are used frequently, and the others are rarely used. The number systems that middle students learn are Natural numbers, Whole Numbers, Integers, Rational Numbers, and Irrational numbers.   Natural numbers are the first numbers…

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