Percent Proportion Word Problems 2020 AMPS

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 15% of 60, calculate 60 * 0.15 = 9.

Tags

CCSS.6.RP.A.3C

Front

What is the formula to find the total when given a part and a percentage?

Back

The formula is: Total = Part / (Percentage in decimal form). For example, if 15 is 75% of a number, the total is 15 / 0.75 = 20.

Tags

CCSS.6.RP.A.3C

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. For example, 3/4 = (3 ÷ 4) * 100 = 75%.

Front

What does it mean if 75% of a collection is a certain type?

Back

It means that 75 out of every 100 items in the collection belong to that type. For example, if Ella has 40 CDs and 75% are rock, then 30 CDs are rock.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you find the percentage of a total that has been sold?

Back

To find the percentage of a total sold, divide the number of items sold by the total number of items, then multiply by 100. For example, if 225 out of 250 seats are sold, the percentage sold is (225/250) * 100 = 90%.

Front

What is the relationship between part, whole, and percentage?

Back

The relationship is defined by the formula: Percentage = (Part / Whole) * 100.

Front

How do you find the number of items that represent a certain percentage?

Back

Multiply the total number of items by the percentage (in decimal form). For example, to find 5% of 320 claims, calculate 320 * 0.05 = 16.

Tags

CCSS.6.RP.A.3C

Front

What is a word problem in mathematics?

Back

A word problem is a mathematical problem that is presented in the form of a narrative or story, requiring interpretation and problem-solving skills.

Tags

CCSS.1.OA.A.1

Front

How can you check if your percentage calculation is correct?

Back

You can check by reversing the calculation: If you found that 15 is 75% of a number, multiply 15 by 100 and divide by 75 to see if you get the original number.