Podcast
Questions and Answers
Which of the following best defines a percentage?
Which of the following best defines a percentage?
- The average of two quantities
- A ratio of two quantities expressed as a fraction of 100 (correct)
- The difference between two quantities
- The total amount of a quantity
What does 50% of a number mean?
What does 50% of a number mean?
- 50 parts of the number out of a total of 100
- The sum of 50 and the number
- Half of the number (correct)
- The product of 50 and the number
What is the percentage increase or decrease a measure of?
What is the percentage increase or decrease a measure of?
- How much a value has changed compared to its original amount (correct)
- The average change in a value
- The difference between two values
- The total change in a value
If a value is greater than its original amount, it has ___.
If a value is greater than its original amount, it has ___.
If a value is less than its original amount, it has ___.
If a value is less than its original amount, it has ___.
What does it mean to express one quantity as a percentage of another?
What does it mean to express one quantity as a percentage of another?
What is the formula to calculate a given percentage of a quantity?
What is the formula to calculate a given percentage of a quantity?
What is the formula to calculate percentage increase or decrease?
What is the formula to calculate percentage increase or decrease?
What does it mean to carry out calculations involving reverse percentages?
What does it mean to carry out calculations involving reverse percentages?
What does the term 'percentage' mean?
What does the term 'percentage' mean?
Which of the following is the correct equation to find the result of a percentage increase?
Which of the following is the correct equation to find the result of a percentage increase?
What does 50% mean?
What does 50% mean?
How do you find 10% of 150?
How do you find 10% of 150?
How do you convert a decimal into a percentage?
How do you convert a decimal into a percentage?
What is the percentage error in Nicola's calculation if she measures the length of her textbook as 20cm, but the actual length is 17.6cm?
What is the percentage error in Nicola's calculation if she measures the length of her textbook as 20cm, but the actual length is 17.6cm?
What is the formula to find the original value when given the new value and percentage change?
What is the formula to find the original value when given the new value and percentage change?
What is the formula to calculate the amount in a bank after 1 year with a given percentage increase?
What is the formula to calculate the amount in a bank after 1 year with a given percentage increase?
What is compound interest?
What is compound interest?
What is the formula to calculate compound interest?
What is the formula to calculate compound interest?
How many of a certain rare breed of animal will be left at the end of 2005 if their number decreases by 12% each year?
How many of a certain rare breed of animal will be left at the end of 2005 if their number decreases by 12% each year?
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