Final regular class (half way through year)

Front

What is a percent proportion?

Back

A percent proportion is a way to express a relationship between a part and a whole in terms of percentage. It is often written as part/whole = percent/100.

Front

How do you calculate the sale price after a discount?

Back

To calculate the sale price after a discount, subtract the discount amount from the original price. Discount amount = Original price × (Discount percentage / 100).

Front

What is the missing number in the equation 13 + (___) = 0?

Back

The missing number is -13.

Front

How do you solve for a variable in an equation?

Back

To solve for a variable, isolate the variable on one side of the equation using inverse operations.

Front

What does it mean for a table to be proportional?

Back

A table is proportional if the ratios of the corresponding values are constant.

Front

How do you write a percent proportion for the statement '9 is 36% of what number?'

Back

The percent proportion can be written as 9/x = 36/100, where x is the unknown whole.

Front

What is the constant of proportionality in a proportional relationship?

Back

The constant of proportionality is the ratio between two quantities that remain constant in a proportional relationship.

Front

How do you find the percent of a number?

Back

To find the percent of a number, multiply the number by the percent (expressed as a decimal). For example, to find 25% of 200, calculate 200 × 0.25.

Front

What is the solution to the equation 3c + 5 = 23?

Back

The solution is c = 6.

Front

What is the formula for finding the percent of a whole?

Back

The formula is Percent = (Part / Whole) × 100.