1. Slide
60 seconds
Understanding Percentages
Percentages are a way to express a number or amount as a fraction of 100. For example, 25% is the same as saying 25 out of every 100. We can use percentages to compare parts of a whole or to compare amounts of money.
2. Word cloud
120 seconds
What is 10% of 100?
3. Slide
60 seconds
percentages of numbers and money
Percentage: A number or ratio that is expressed as a fraction of 100. It is used to compare one quantity to another or to measure how much one quantity changes in relation to another.
Percent Increase: The percent increase is the amount of change that occurs over a period of time expressed as a percentage of the original amount.
Percentage of a Number: A percentage of a number is a fraction of the number that has been multiplied by 100. This is what is used to calculate a percent increase or a percent decrease.
4. Poll
60 seconds
What is 25% of 100?
- 100
- 75
- 25
- 50
5. Poll
60 seconds
If you have $20 and spend 30% of it, how much money will you have left?
- $16
- $18
- $14
- $20
6. Poll
60 seconds
If a toy costs $10 and it's on sale for 20% off, how much will it cost?
- $8
- $12
- $10
- $9
7. Word cloud
120 seconds
What is 10% of 100?
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