Part, Whole, Percent Practice

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

• Part = Whole x (Percent / 100)

• Part = Whole + (Percent / 100)

• Part = Whole - (Percent / 100)

• Part = Whole / (Percent x 100)

How do you find the part when you know the whole and the percentage?

• Part = Whole x (Percentage / 100)

• Part = Whole / (Percentage / 100)

• Part = Whole + (Percentage / 100)

• Part = Whole - (Percentage / 100)

If 60% of a class of 30 students are boys, how many boys are there?

• 15

• 18

• 20

• 22

What is a part-to-whole relationship?

• A relationship that shows how a part compares to the total or whole.

• A relationship that compares two different parts.

• A relationship that indicates the sum of all parts.

• A relationship that shows how parts are independent of each other.

What is the percentage of questions answered incorrectly if a student got 22 questions wrong out of 40?

• 45%

• 50%

• 55%

• 60%

How do you convert a fraction to a percentage?

• Divide the numerator by the denominator and multiply by 100.

• Add the numerator and denominator together and multiply by 100.

• Multiply the fraction by 100 and then divide by the numerator.

• Subtract the numerator from the denominator and multiply by 100.

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

• Whole = Part / (Percentage / 100)

• Whole = Part * (Percentage / 100)

• Whole = Part + (Percentage / 100)

• Whole = Part - (Percentage / 100)

If 40% of a number is 80, what is the number?

• 150

• 200

• 250

• 300

What is the formula to find the percentage of a part in relation to the whole?

• Percentage = (Part + Whole) x 100

• Percentage = (Part / Whole) + 100

• Percentage = (Part / Whole) x 100

• Percentage = (Whole / Part) x 100

If a fruit stand sells strawberries for 35% of their total sales, how do you find the total sales if strawberries sold for $70?

• $150

• $200

• $250

• $300