*23/04/2020*

Interpret the Following Pictograms Part 2 with Answers [with English subtitles] Interpret Pictograms In this video, we interpret another set of pictograms. Download image: http://sipnayan.com/2020/04/interpret-the-follo...

A blog about mathematical art, beauty, and wonders.

Interpret the Following Pictograms Part 2 with Answers [with English subtitles] Interpret Pictograms In this video, we interpret another set of pictograms. Download image: http://sipnayan.com/2020/04/interpret-the-follo...

Well-explained in English subtitles.

[EXPLAINED] How many triangles are there? [with English subtitles] In this video, we will learn how to solve a puzzle on counting the number of triangles. SUBSCRIBE NOW: https://www.youtube.com/user/sipnayanph/?sub_confirmat...

Here's a more challenging padlock problem.

Open Lock by Cracking Code Puzzle 2 with Answer and Explanation [with English subtitle] In this video, we are going to solve another padlock puzzle. Here's the link of the padlock puzzle that I have uploaded earlier: https://youtu.be/VsKCnPaVTpI...

Open Lock by Cracking Code Puzzle with Answer and Explanation [with English subtitle] In this video, I have explained how to answer the opening a lock by cracking its code. SUBSCRIBE NOW: https://www.youtube.com/user/sipnayanph/?sub_confirmati...

GeoGebra Basics 1: The GeoGebra Interface In this video, we are going to familiarize ourselves with the interface of GeoGebra 6.0. We will also learn the different parts of GeoGebra which includes th...

The Algebraic and Geometric Proofs of Pythagorean Theorem The Pythagorean Theorem states that if a right triangle has side lengths $latex a, b$ and $latex c$, where $latex c$ is the hypotenuse, then the sum of the squares of the two shorter lengths is equ…

10 Reasons Why Mathematics Teachers Should Blog If you are a mathematics teacher (or even a teacher of any subject), and there are more than 181 million bloggers all over the world, then maybe it’s high time to start one. With that many bl…

4 Interesting Things about the Japanese Counting Systems It is a good experience to learn different ways of counting. For the past one and a half years that I was in Japan, and I have learned some small nuances between their counting systems and ours. He…

7 Must-See Mathematics Movies Inspired by True Events I have watched many movies about mathematics, mathematicians, and about mathematics teachers, but I particularly like the seven below because they were inspired by true events. Although many of the…

Introduction to the Concept of Functions Problem: A cube is painted on all faces and cut into smaller cubes of the same size. Investigate the number of painted faces of the smaller cubes. Discussion In Figure 1, shown are the cubes with s…

In this article, we learn where did h = -b/2a and k = (4ac - b^2)/4a, the equations in getting the vertex of a quadratic function, come from.

Deriving the Formula of the Vertex of Quadratic Functions In getting the vertex of the quadratic function in general form $latex f(x) = ax^2 + bx + c$, we usually need to convert it to the vertex form $latex f(x) = a(x – h)^2 + k$. In the latter for…

What is the horizontal line test? In January of this year, we have discussed about the vertical line test. We have learned that if a vertical line intersect a graph more than once, then that graph is not a function. In this post, w...

Mental Math: How to Subtract Numbers Faster A detailed tutorial on how to subtract numbers faster.

Proof of the Converse of the Pythagorean Theorem A detailed proof of the converse of the Pythagorean Theorem.

How to Create Math Expressions in Google Forms Many of us use Google Forms to make surveys, but did you know that you can insert equations in Google Forms? Google Forms now support latex which means that you can insert any complex equation you...

15 Math Pickup Lines to Try This Valentine's Day Do you have a date this Valentine's day? Is your date a math major, math nerd, or mathematician? If yes is your answer to these questions, you might want to try the pick up lines below. This will p...

Multiplying 2 Digit Numbers Fast An alternative method in multiplying 2 digit numbers which can make multiplication faster.

Math Exercise, Problem, and Investigation As teachers, it is important that we vary the mathematical activities we give our students. The learning that takes place in the classroom is, in one way or another, affected by the kind of tasks t...

Calculating The Value of Pi Pi is the most popular irrational number that many mathematicians tried to calculate it as accurate as possible.

5 Cool Math Calculations You Can Do with Google Search Did you know that aside from searching stuff, you can also do other things using search engines? Know how math calculations can be done using Google search.

How to Create Infinite Chocolate Bars Imagine you have a chocolates where you can create infinite chocolate bars out of it. What would you do?

Euclidean Algorithm Explained for Elementary School The Euclidean Algorithm is a method for getting the greatest common factor of 2 numbers. Believe it or not, this method can be taught in elementary school.

How Probability Can Used to Design Games of Chance A discussion on how to use probability to design a game that favors one player.

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