Finding Part, Whole, Tip, Tax

Front

What is a tip?

Back

A tip is a small amount of money given to someone for their service, usually calculated as a percentage of the total cost.

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 12% of $950, calculate 950 * 0.12.

Front

If 80% of students voted for a field trip, how do you find the number of students who voted?

Back

Multiply the total number of students by the percentage (in decimal form). For example, 240 students * 0.80 = 192 students.

Front

What is the formula to find the total number of items if you know the part and the percentage?

Back

The formula is: Total = Part / (Percentage in decimal form). For example, if 45 questions are 75%, then Total = 45 / 0.75 = 60.

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, 12/16 = 0.75, which is 75%.

Front

What is sales tax?

Back

Sales tax is a percentage of the sale price added to the cost of goods or services, collected by the seller.

Front

How do you calculate the total cost including sales tax?

Back

To calculate the total cost including sales tax, multiply the original price by the sales tax rate (in decimal form) and add it to the original price. For example, $29.98 (for two puzzles) * 0.05 (5% tax) = $1.50, so total = $31.48.

Front

What does it mean if a student scores 75% on a test?

Back

It means the student answered 75% of the questions correctly.

Front

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

Back

Multiply the whole by the percentage (in decimal form). For example, to find 12% of $950, calculate 950 * 0.12.

Front

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

Back

The relationship is defined by the formula: Part = Whole * Percentage.