Topic 4.1-Topic 4.5

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

If the area of a rectangle is 125 square feet and the width is 25 feet, how do you find the length?

Back

Set up the equation: length × 25 = 125, then solve for length.

Front

What does the variable 'v' represent in the equation v + 4 = 10?

Back

'v' represents the number of video games Robyn had before buying 4 more.

Front

How do you solve the equation 10x = 90?

Back

Divide both sides by 10 to find x = 9.

Front

What is the solution to the equation x - 32 = 49?

Back

Add 32 to both sides to find x = 81.

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value, often denoted by letters like x, y, or v.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the first step in solving the equation v + 4 = 10?

Back

Subtract 4 from both sides to isolate v.

Front

What is the solution to the equation 3p = 144?

Back

Divide both sides by 3 to find p = 48.

Front

What is the purpose of using equations in word problems?

Back

To translate real-world situations into mathematical expressions that can be solved.