RMS 7TH GRADE MATH STAAR PREP

Front

What is the formula to calculate the percent of change?

Back

Percent of Change = (New Value - Old Value) / Old Value × 100

Front

If a shirt originally costs $27 and is on sale for 25% off, how do you calculate the sale price?

Back

Sale Price = Original Price - (Original Price × Discount Rate) = $27 - ($27 × 0.25) = $20.25

Front

What equation can be used to find Janeen's age if her mother is 47 and is 26 years older than her?

Back

j + 26 = 47

Front

How do you find the volume of a rectangular prism?

Back

Volume = Length × Width × Height

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent a number that can change or vary.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the definition of a percent?

Back

A percent is a ratio expressed as a fraction of 100.

Front

How do you calculate the volume of a cube?

Back

Volume = Side × Side × Side (or Side³) for a cube.

Front

What is the relationship between the original price and the sale price when a discount is applied?

Back

The sale price is the original price minus the discount amount.

Front

What is the definition of an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.