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Updated on 22nd June, 2023 , 12 min read
Maths formulas are the building blocks for solving complex problems and unlocking the secrets of the universe. Whether you're a student, a professional in a STEM field, or simply someone who wants to sharpen their analytical skills, understanding and applying mathematical formulas is essential. In this article, we will delve into the world of mathematical formulas, exploring their significance, and providing a comprehensive guide to help you master them. Let's embark on this exciting journey of mathematical discovery!
A mathematical formula is a precise representation or rule that emerges from the relationship between multiple quantities, and its outcome is expressed using symbolic notation. Math formulas consist of various elements, such as constants, which are specific numbers, variables that represent unknown values, mathematical signs and symbols, and occasionally exponential powers.
B = Bracket
O = Of
D = Division
M = Multiplication
A = Addition
S = Subtraction
The table below has all the basic maths formulas:
Perimeter |
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|
Circumference |
|
|
Area |
|
|
Surface Area |
|
|
Volume |
|
|
Pythagoras Theorem |
a2 + b2 = c2 |
|
Distance Formula |
d = √[(x2 – x1)2 +(y2 – y1)2] |
|
Slope of a line |
m = y2 – y1 / x2 – x1 |
|
Mid- Point Formula |
M = [(x1 + x2 )/ 2 , (y1 + y2 )/ 2] |
|
Algebraic Formula |
|
|
Trigonometric Formulas |
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|
Gaining a comprehensive understanding of mathematics formulas significantly enhances students' performance in examinations across all academic levels, be it class tests, final exams, or board exams. Most of the chapters within the mathematics syllabus are interconnected, meaning that mastering the formulas of one chapter simplifies comprehension of subsequent chapters. Noteworthy examples of interrelated chapters include percentage and profit-loss, percentages and fractions, real numbers and complex numbers, among others.
To truly grasp the formulas, students must allocate sufficient time and effort to systematically analyze and comprehend them. Detailed lists of math formulas are readily available for each chapter as per the latest syllabus of respective academic standards.
If their two ratios are equivalent for any four quantities, those four quantities are said to be proportionate.
Increase in Percentage = (Change / Original Amount) × 100
Profit Percentage = (Profit / Cost price) × 100
Simple Interest = (Principal × Rate × Time) / 100
Amount = Principal + Interest
Topic |
Shapes/Statistics |
Maths Formulas |
Real Numbers |
- |
|
Geometry Formulas |
Rectangle |
A = Length x Width P = 2(Length + Width) |
Triangle |
A = ½ x Breadth x Height P = Sum of all the three sides of a triangle |
|
Trapezoid |
A = ½ x Height x (b₁x b₂) P = Sum of all the sides of a trapezoid |
|
Parallelogram |
A = Breadth x Height P = 2( a+ b) Here. a = side B = base |
|
Circle |
A = πr² P = 2 πr |
|
Algebra Identities |
- |
|
Surface Area and Volume |
Cuboid |
2 = (lb + bh + hl), Here, l = length, b = Breadth, h = height V = Length x Breadth x Height |
Cube |
A = 6 side² V = Side³ Cylinder A = 2πr( h + r) Here, r = radius of circular cylinder H = height of a cylinder V = πr²H |
|
Cone |
A = πr( L + r) Here, l = slant height r = Radius of base Also, l² = h² + r², where h is the cone's height V = ½ πr² |
|
Sphere |
A = 4πr² V = 4/3πr³ |
|
Heron's Formula |
- |
Area of Triangle with 3 sides √s(s-a)(s-b)(s-c) Here, s = semi perimeter A,b, c are the sides of a triangle. Semi Perimeter S = ( a + b + c)/2 |
Polynomial Formula |
- |
P (x) = anxn + an- 1xn- 1 – an- 2xn- 1 + …… ax + a0 |
Statistics (Measure of Central Tendency) |
Mean |
Sum of all the observations/ Total Number of Observations |
Median |
For odd observations = ((n+1)/2)th observations For even Observations – ((n/2)th + ((n/2) +1)th)/2 observations |
|
Mode |
The value which occurs most frequently in a data |
Mathematical formulas serve as powerful tools for solving problems across various disciplines. Understanding and mastering these formulas can significantly enhance your problem-solving skills and analytical thinking. From algebraic equations to geometric measurements, trigonometric identities to calculus operations, and probability to statistics, the world of mathematical formulas is vast and interconnected. By familiarizing yourself with these formulas, you gain the confidence to tackle complex mathematical challenges and unlock new realms of knowledge. So, embrace the power of mathematics and let the formulas guide you on your journey of exploration and success.
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By - Nikita Parmar 2023-08-25 09:48:44 , 11 min readSome commonly used math formulas include the Pythagorean theorem, quadratic formula, area and perimeter formulas for geometric shapes, trigonometric identities, and formulas for arithmetic and geometric sequences.
To remember math formulas, practice applying them in various problems, create flashcards or cheat sheets, break formulas into smaller parts for better understanding, and try to understand the logic behind each formula.
You can find comprehensive lists of math formulas in textbooks, educational websites, math reference books, or by searching online math resources.
Yes, some tips include identifying patterns in formulas, understanding the derivations or proofs of formulas, and connecting formulas to real-world applications to enhance understanding and memory.
To use math formulas effectively, read the problem carefully, identify the relevant formula(s) needed, substitute the given values into the formula, and solve step-by-step using proper mathematical operations.
Yes, some math formulas can be derived using logical reasoning, algebraic manipulations, or geometric principles. Deriving formulas can deepen your understanding of the underlying concepts.
Essential geometry formulas include those for area and perimeter of shapes (rectangle, triangle, circle), volume and surface area of solids (cuboid, cylinder, sphere), and trigonometric ratios for angles and triangles.
Yes, statistical measures like mean, median, mode, and standard deviation have specific formulas. For example, mean is calculated by dividing the sum of all observations by the total number of observations.
Calculators can help in performing calculations involved in math formulas, but understanding the concepts behind the formulas and knowing when and how to apply them is crucial.