Percentages - fast math lesson

TL;DR

Learn how to work out percentages by understanding the definition and using simple fraction calculations.

Transcript

good day and welcome to Tech math Channel what I'm going to be having a look at in this video is a way of working out percentages okay this is from a fraction or something like this okay cuz percentage is a just a measure of a number out of a 100 okay so we're going to look at how to do this now first off I think it's really really important that w... Read More

Key Insights

• 😇 The definition of a percentage involves two parts: "per" indicating out of and "cent" representing 100.
• ✖️ Converting a fraction to a percentage involves multiplying it by 100 and simplifying the resulting fraction.
• 🥺 Cancelling out common factors between the numerator and denominator helps simplify the fraction, leading to the determination of the percentage.

Questions & Answers

Q: How do you define a percentage?

A percentage is a measure of a number out of 100, with "per" indicating out of and "cent" indicating 100. It represents a fraction or a part of a whole.

Q: How do you convert a fraction to a percentage?

To convert a fraction to a percentage, multiply it by 100 and simplify the resulting fraction. This will give you the percentage value of the given fraction.

Q: How can you simplify a fraction to determine the percentage?

By canceling out common factors between the numerator and denominator, you can simplify the fraction. This simplification process helps determine the percentage by finding a fraction that can further reduce to a whole number.

Q: What relationship exists between fractions, percentages, and whole numbers?

Fractions, percentages, and whole numbers are interconnected. Fractions can be expressed as percentages, and percentages can be represented as whole numbers. For example, a quarter (1/4) is equivalent to 25%, and a half (1/2) is equal to 50%.

Summary & Key Takeaways

• Percentage is a measure of a number out of 100, with "per" meaning out of and "cent" meaning 100.

• To convert a fraction to a percentage, multiply it by 100 and simplify the resulting fraction.

• Cancelling out common factors can help simplify the fraction and determine the percentage.