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Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare proportions.

Front

How do you calculate a percentage increase?

Back

To calculate a percentage increase, subtract the original value from the new value, divide by the original value, and then multiply by 100.

Front

What is the formula for finding the new value after a percentage increase?

Back

New Value = Original Value + (Original Value × Percentage Increase) / 100.

Front

If a collection of items increases by 40%, how do you find the total number of items after the increase?

Back

Multiply the original number of items by 1.40 (which represents the original 100% plus the 40% increase).

Front

What does it mean to round to the nearest whole number?

Back

Rounding to the nearest whole number means adjusting a decimal number to the closest whole number.

Front

How do you calculate the total score if you miss a percentage of questions on a test?

Back

Total Score = Total Possible Score - (Total Possible Score × Percentage Missed) / 100.

Front

What is the formula for calculating the value of an item after a percentage increase?

Back

Value After Increase = Original Value × (1 + Percentage Increase / 100).

Front

If a bank account balance increases by 2%, how do you find the new balance?

Back

New Balance = Original Balance × (1 + 0.02).

Front

What is the difference between a percentage increase and a percentage decrease?

Back

A percentage increase adds to the original value, while a percentage decrease subtracts from it.

Front

How do you express a 23% increase in a population of fish?

Back

To express a 23% increase, multiply the original population by 1.23.