Intro to Percentages Flashcard

Front

What is a percentage?

Back

A percentage is a fraction expressed as a part of 100. It represents how much of something there is in relation to a whole.

Front

How do you calculate the percentage of a part compared to a whole?

Back

To calculate the percentage of a part compared to a whole, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100.

Front

If there are 100 items and 30 of them are red, what percentage of the items are red?

Back

30% of the items are red.

Front

What is the percentage of green apples if there are 35 red apples and 65 green apples out of 100 apples?

Back

65% of the apples are green.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100.

Front

What is the percentage representation of 71 out of 100?

Back

71 out of 100 is 71%.

Front

If 59 out of 100 students play a musical instrument, what percentage of students play an instrument?

Back

59% of the students play a musical instrument.

Front

What does it mean if a question asks for 'what percent'?

Back

It means to find out how much of the total is represented by a specific part, expressed as a percentage.

Front

How do you find the percentage of a specific color in a group of items?

Back

Count the number of items of that color, divide by the total number of items, and multiply by 100.

Front

What is the formula for calculating percentage change?

Back

Percentage change = ((New Value - Old Value) / Old Value) x 100.