Subtracting With Zeros - how to do subtraction fast using vedic math

TL;DR

Learn a simple trick to subtract numbers that have zeros in them for quick and accurate calculations.

Transcript

good day welcome to the tech math Channel what we're going to be having a look at in today's lesson is we're going to be looking at how to subtract with numbers that have zeros on them okay it's going to be it's a very very applicable thing because often you are doing this when you're dealing with money you you pay with a $50 note for something tha... Read More

Key Insights

• 🤑 Subtraction with numbers that have zeros is a practical skill, especially when dealing with money and calculating change.
• #️⃣ By treating the first numbers as one number, adding one to the smaller number, and subtracting, you can simplify the subtraction process and perform mental calculations quickly.
• 💆 Practicing this skill helps build confidence in calculating change accurately without needing to rely on calculations or risk getting shortchanged.
• 🈷️ The trick can be applied to various examples, including subtracting smaller amounts from larger amounts, by treating the numbers as one and determining the difference.
• #️⃣ It is important to understand the concept and practice the trick to become proficient in subtracting numbers with zeros accurately and quickly.
• 🛟 The trick is useful in real-life situations where quick mental calculations are required, such as when paying for purchases and receiving change.
• 🍵 By mastering this skill, individuals can improve their overall math abilities and handle financial transactions more efficiently.

Questions & Answers

Q: Why is it important to know how to subtract numbers with zeros quickly?

Knowing how to subtract numbers with zeros quickly is important, especially when dealing with money, as it allows you to calculate change instantly and avoid the risk of getting shortchanged.

Q: What is the trick to subtract numbers with zeros?

The trick involves treating the first numbers as one number, adding one to the smaller number, and subtracting to find the difference. This method simplifies the subtraction process and allows for quick mental calculations.

Q: How can the trick be applied to a specific example, such as subtracting $35.70 from a $50 note?

To subtract $35.70 from a $50 note, treat 35 and 50 as one number. Add 1 to 35, making it 36. Then, subtract 36 from 50, resulting in 14. Therefore, the change should be $14.

Q: Can the trick be used for larger numbers as well?

Yes, the trick can be applied to larger numbers as well. By treating the first numbers as one number, adding one to the smaller number, and subtracting, you can quickly determine the difference and calculate the change.

Summary & Key Takeaways

• This lesson teaches a quick and applicable skill to subtract numbers that involve zeros, often used when dealing with money.

• The trick involves treating the first numbers as one number, adding one to the smaller number, and subtracting to find the difference.

• Practicing this skill helps in quickly calculating change without needing to rely on calculations.