7th Grade Math PSSA Review

Front

What is the Elf hat method in algebra?

Back

The Elf hat method is a visual strategy used to simplify expressions by breaking them down into smaller parts, often used for distributing and combining like terms.

Front

What is the formula to calculate a percentage discount?

Back

To calculate a percentage discount, use the formula: Discounted Price = Original Price - (Original Price × Discount Rate).

Front

What does it mean for a graph to be proportional?

Back

A graph is proportional if it passes through the origin (0,0) and shows a constant ratio between the two variables.

Front

What is the result of adding 8 and -6?

Back

The result of adding 8 and -6 is 2.

Front

How do you find the median of a set of numbers?

Back

To find the median, arrange the numbers in ascending order and identify the middle number. If there is an even number of values, average the two middle numbers.

Front

Back

Front

What is a non-proportional relationship?

Back

A non-proportional relationship does not maintain a constant ratio between two variables and does not pass through the origin.

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.

Front

What is the difference between mean and median?

Back

The mean is the average of a set of numbers, while the median is the middle value when the numbers are arranged in order.

Front

What is the formula for calculating the area of a rectangle?

Back

The area of a rectangle is calculated using the formula: Area = Length × Width.