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How to divide any number by 5 in 2 seconds or less using a math trick

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Use this math trick to square numbers from 50 to 59 in 2 seconds or less

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Here is how to find the sum of consecutive even numbers in 4 seconds or less using a trick.

Use this trick to divide any 3-digit number by 99 in 3 seconds or less

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Use this trick to find 5 percent of any number in 4 seconds or less.

How to square a 3-digit number when the middle number is zero in 4 seconds or less

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Use this trick to multiply a two-digit number by 101 in one second or less

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How to solve a system of two linear equations quickly (in 15 seconds or less!)

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In 5 seconds or less, here is how to multiply 3-digit numbers having a zero in the tens place

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Trick to multiply a repdigit number smaller than 100 by a single digit number in 2 seconds or less

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A second to find it! Square root trick when the number ends with 25.

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A variety of percent of increase word problems along with detailed solutions

Algebra is a fundamental skill that is widely used in school and in life. This article takes a look at what algebra is and its vital role in math.

There are many ways to find the factors of 20. A simple way is to...

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The SAT Math section is known for being difficult. But it doesn’t have to be. Learn how to be prepared and complete the section with confidence here.

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The fundamental counting principle is introduced in this lesson. Learn how to count with the multiplication principle and the addition principle.

What is a 45-45-90 triangle? Definition, proof, area, and easy to follow real-world examples.

Learn how to compute the likelihood or probability of an event using the theoretical probability formula.

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What is a 30-60-90 triangle? Definition, proof, area, and easy to follow real-world examples.

Learn to calculate the conditional probability using a contingency table. This contingency table can help you understand quickly and painlessly.

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To learn about rational numbers, write their decimal expansion, and recognize rational numbers that are repeating decimals and terminating decimals.

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Learn how to get the area of a trapezoid using a rectangle and a triangle, the formula, and also when the height of the trapezoid is missing.

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Learn about the quadratic formula, the discriminant, important definitions related to the formula, and applications.

What is the area formula for a two-dimensional figure? Here is a list of the ones that you must know!

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What is a parallelogram? Here is the list of all the most important things that you need to know

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Do you need help with high school physics? Explore important basic concepts in physics.

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Find out how to learn math and stay good at it using these five steps.

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Why is geometry important? Geometry isn't just about drawing shapes. Its practical applications are endless. See how geometry can help enhance your life.

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Definition of the unit circle and important trigonometric functions. Use the unit circle to derive important trigonometric values.

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Learn to identify 6 types of triangles based on their sides or angles and 7 more types based on both their sides and angles.

Easily learn to construct a box and whiskers plot for a set of data by using the median and the extreme values.

This lesson will give you a deep and solid introduction to the binary number system.

Check out this lesson. You will discover that finding the perimeter of a square is simple and straightforward.

What is the Law of Cosines? See how you can use the law of cosines to find one side of a triangle.

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What is the conjugate of complex number? Definition, explanation, and examples.

This lesson will help you clearly understand the different types of bar graphs such as the vertical bar graph, grouped bar graph, and stacked bar graph.

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This lesson presents the steps to take when solving two-step equations or equations of the form ax + b = c or ax - b = c.

A variety of 6th grade math problems students need to know how to solve in 6th grade.

A list of important second grade math word problems that students need to know how to solve in second grade

Learn how to derive and compute the surface area of a sphere. The lesson is crystal clear and right to the point, but it also shows how the formula was obtained

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Learn how to compute the surface area of a cylinder, oblique cylinder, and hollow cylinder. Learn also to derive the formula.

Continue reading "Surface Area of a Cylinder - Definition, Derivation, and Examples"