How to Multiply Faster than a Calculator - Fast Math Calculation Trick 2 | Summary and Q&A

TL;DR

Learn how to multiply numbers in their teens and beyond quickly in your head, faster than using a calculator.

Key Insights

• 🤕 Mental math tricks can help solve multiplication problems quickly in your head.
• 🥳 Breaking numbers into separate parts and focusing on units digits can simplify multiplication calculations.
• 🔞 The trick can be applied to numbers beyond the teens and twenties.
• 💨 With practice, mental math can be faster than using a calculator.
• #️⃣ This trick is most suitable for two-digit numbers.
• 🎮 Additional mental math tricks can be found in the description or playlist of the video.
• ❓ Subscribing or becoming a patron supports the TechMath channel.

Transcript

good day welcome to the tech math Channel I'm Josh by the end of this video you'll be able to work out multiplication problems just like these ones in your head faster than you can do them with a calculator this trick is the second part of a series looking at instant Mental Math where truly you'll have people stumped about how fast you are multiply... Read More

Questions & Answers

Q: How does the mental math trick for multiplication work?

The trick involves breaking the numbers into separate parts and adding the units digits to get the tens digit. Then, you multiply the units digits. Finally, you add the result of the multiplication to the tens digit to get the final answer.

Q: Can this mental math trick be used for numbers beyond the teens and twenties?

Yes, the trick can be applied to any two numbers. You just need to break the numbers into parts, add the units digits, and multiply the units digits accordingly.

Q: How can this mental math trick be faster than using a calculator?

With practice, you can perform the mental math trick quickly in your head, eliminating the need for a calculator and saving time in calculations.

Q: Are there any limitations to using this mental math trick?

This trick is most effective for multiplying two-digit numbers. For larger numbers, other mental math strategies may be more appropriate.

Summary & Key Takeaways

• This video teaches a mental math trick for multiplying numbers in their teens and twenties.

• The trick involves breaking the numbers into separate parts, adding the units digits, and multiplying the units digits.

• By following this method, you can solve multiplication problems faster than using a calculator.