Sir Kenchong

Sir Kenchong math lessons, songs, at kung anu-ano pa

12/09/2026

🧠⚡ Alam mo ba… paano i-multiply ito without a calculator?

76 x 74 = ?

Try this simple mental math trick to multiply faster—without doing long multiplication. 🔢

Then take on the Try This challenge at the end! 👀

Comment your answer! 👇
📲 Please share and follow for more Mental Math tricks!



mental multiplication, multiplication tricks, mental math tricks, multiplication shortcut, fast calculation, quick math, mental calculation, math tricks for students, calculation shortcuts

11/09/2026

🧠⚡ Alam mo ba yung mas madaling paraan to multiply by 12?

No calculator, no long multiplication—just a simple mental math trick! 🔢

Try the trick, then answer the Try This challenge at the end. 👀

Comment your answer! 👇
📲 Please share and follow for more Mental Math tricks!



multiply by 12, multiplication shortcut, mental multiplication, mental math tricks, fast calculation, quick math, calculation shortcuts, math tricks for students, mental calculation

💚 Health Break Math Challenge!A little INSET health break with a little Math! 😁Health is wealth. We need good food to ke...
11/09/2026

💚 Health Break Math Challenge!

A little INSET health break with a little Math! 😁

Health is wealth. We need good food to keep our bodies healthy, and a little brain exercise to keep our minds sharp and support our mental health. 🧠➗

Comment your answer and solution below. 👇

Please share and follow! ❤️

[INSET, Health Break Math Challenge, clock angle, Mathematics, Math Challenge, Sir Kenchong]

10/09/2026

🧠⚡ Alam mo ba… may mas madaling paraan to square these numbers?
51,52,53,54,55,56,57,58,59
No calculator, no long solution—just a simple mental math trick! 🔢

Try the trick, then answer the Try This challenge at the end. 👀

Comment your answer! 👇
📲 Please share and follow for more Mental Math tricks!



squaring numbers, square 2 digit numbers, squaring numbers starting with 5, mental math tricks, square numbers shortcut, fast calculation, mental calculation, math tricks for students, calculation shortcuts, quick math

INSET 2026 na, pero may math challenge muna. 😁✌️Kaya mo bang i-solve ang “2026” na ’to without using a calculator? 👀Comm...
10/09/2026

INSET 2026 na, pero may math challenge muna. 😁✌️

Kaya mo bang i-solve ang “2026” na ’to without using a calculator? 👀

Comment your answer and solution!
Please share and follow! ❤️

[INSET 2026, Mathematics, Math Challenge, Order of Operations, PEMDAS]

09/09/2026

🧠⚡ Alam mo ba… may shortcut sa pag-multiply by 99?

Sakto!!! 9.9 ngayon! Add to cart na! 🛒😂
Pero bago mag-checkout at mag-place order, mag-multiply ka muna! 😆

Try this simple mental math trick and calculate faster. 🔢

Then take on the Try This challenge at the end! 👀

Comment your answer! 👇
📲 Please share and follow for more Mental Math tricks!



multiply by 99, multiplication shortcut, mental multiplication, mental math tricks, fast calculation, quick math, calculation shortcuts, math tricks for students

08/09/2026

Alam mo ba kung paano mag-cross multiply? 👀

Let us SOOOOOLVE Algebra № 028

What’s your answer? 🤔
Comment your answer and solution! 👇
Please share and follow! ❤️



[cross multiplication, rational equations, algebra practice, math]

Alam mo ba kung paano mag-cross multiply? 👀Solve the equation below.What’s your answer? 🤔Comment your answer and solutio...
08/09/2026

Alam mo ba kung paano mag-cross multiply? 👀

Solve the equation below.

What’s your answer? 🤔
Comment your answer and solution! 👇
Please share and follow! ❤️



[cross multiplication, rational equations, algebra practice, math]

07/09/2026

Miss the word “from” and your answer is backwards. 👀

Let us SOOOOOLVE Algebra #027
What’s your answer? 👇

Comment your answer and solution!



[subtracting rational expressions, rational expressions, algebra practice, math]

Miss the word “from” and your answer is backwards. 👀Let us SOOOOOLVE Algebra #027What’s your answer? 👇Comment your answ...
07/09/2026

Miss the word “from” and your answer is backwards. 👀

Let us SOOOOOLVE Algebra #027
What’s your answer? 👇

Comment your answer and solution!



[subtracting rational expressions, rational expressions, algebra practice, math]

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