How to work out percentages INSTANTLY | Summary and Q&A

TL;DR

Learn a simple trick to quickly calculate percentages in your head by dividing by 10 or 100.

Key Insights

• 😇 The percentage symbol (%) represents "per" (divided by) and "cent" (100).
• 🗂️ Dividing by 10 or 100 simplifies percentage calculations by reducing the numbers involved.
• 💄 The trick of dividing by 10 or 100 can be applied to different examples, making it a versatile technique.
• #️⃣ Understanding the concept of percentages and their relation to whole numbers is essential for mental math calculations.
• ⌛ Mental calculations using the trick of dividing by 10 or 100 can save time and improve efficiency.
• 🗂️ Dividing by 10 and then by 10 again is equivalent to dividing by 100, providing a choice in the calculation method.
• 🥺 The trick works by simplifying the multiplication process after dividing, leading to quicker results.

Transcript

good day welcome to Tech math Channel I'm Josh today I'm going to show you the easiest way of working out percentages in your head so we'll start with an example we have 61% of 80 tell you what you should be able to work this out in about 3 seconds so give it a go you done that yet well the answer 61% of 80 is equal to 48.8 and if you got that answ... Read More

Questions & Answers

Q: What does the percentage symbol (%) represent?

The percentage symbol represents "per" (divided by) and "cent" (100). It signifies the proportion or part in relation to a whole.

Q: How does the trick of dividing by 10 or 100 simplify percentage calculations?

Dividing by 10 or 100 helps reduce the numbers involved in the calculation, making it easier to perform mental math by simplifying multiplication.

Q: Can the trick of dividing by 10 or 100 be applied to any percentage calculation?

Yes, dividing by 10 or 100 can be applied to any percentage calculation as it simplifies the process and allows for quicker mental calculations.

Q: Are there any limitations to using this trick for calculating percentages?

This trick works well for most percentage calculations, but it may not be suitable for complex or precise calculations where more accurate methods or tools should be used.

Summary & Key Takeaways

• The video explains how to calculate percentages in your head using a simple trick involving dividing by 10 or 100.

• By understanding that percent means "per" (divided by) and "cent" (100), you can simplify the calculation process.

• Several examples are provided to demonstrate the method, showing how to quickly calculate percentages like 61% of 80, 3% of 400, 80% of 70, 24% of 60, and 133% of 1,200.