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How to Work out Percentage Instantly - Easy Mental Math Trick

34.5K views
•
August 17, 2021
by
tecmath
YouTube video player
How to Work out Percentage Instantly - Easy Mental Math Trick

TL;DR

Quickly calculate percentages by dividing one number by 10 and the other number by 10, then multiplying the results together.

Transcript

good day can you solve this percentage question it's a pretty easy one so you should be able to do it instantly here it is 30% of 80 all right what answer do you get did you get the answer of 24 if you did well done that's the correct answer but if not don't worry sit tight because you know it I'm going to show you right now how to easily and insta... Read More

Key Insights

  • #️⃣ Calculating percentages by dividing one number by 10 and the other number by 10 simplifies the calculation process.
  • ⌛ The traditional method of dividing by 100 can be time-consuming, especially for quick mental calculations.
  • ✖️ The trick of dividing by 10 and multiplying the results is useful for various percentage calculations.
  • 💦 The trick works best for whole numbers and percentages that are multiples of 10.
  • 🍗 The provided content offers practice questions for readers to try out and test their understanding of the trick.
  • ❓ The trick is considered one of the easiest and most useful shortcuts for calculating percentages efficiently.
  • 🫵 The content creator encourages viewers to support their channel and offers additional percentage tricks for those interested.

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Questions & Answers

Q: How can I quickly calculate percentages?

By dividing one number by 10 and the other number by 10, you can quickly find the result and multiply them together.

Q: Why is the trick of dividing by 10 useful?

Dividing by 10 makes the calculation faster and more manageable, removing the need to divide by 100 all at once.

Q: Can I use this trick for any percentage calculation?

Yes, the trick works for any percentage calculation and can be easily applied to different numbers.

Q: Are there any limitations to this trick?

The trick works best with whole numbers and percentages that are multiples of 10.

Summary & Key Takeaways

  • The provided content explains a simple and fast trick for calculating percentages without using the traditional method of dividing by 100.

  • By dividing one number by 10, removing the zero, and multiplying it with the other number divided by 10, you can find the percentage quickly.

  • The trick is demonstrated with an example of calculating 30% of 80, which results in 24.


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