Word problems with equations

Front

What is a word problem?

Back

A word problem is a mathematical problem that is presented in the form of a narrative or story, requiring the reader to extract relevant information and formulate an equation to find a solution.

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 a variable in mathematics?

Back

A variable is a symbol, often represented by a letter, that stands for an unknown value in an equation.

Front

What is the equation to represent the total amount of money Trevon has after receiving money?

Back

29 + n = 41

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to both sides of the equation until the variable is alone on one side.

Front

What is the equation to find the cost of each candy bar if Sally bought three for $18?

Back

3c = 18

Front

What does the term 'inverse operation' mean?

Back

An inverse operation is an operation that reverses the effect of another operation, such as addition and subtraction or multiplication and division.

Front

What is the equation to find how many hours Mary worked if she earned $112 at $14 per hour?

Back

14h = 112

Front

How do you determine how much more money Andrew needs to buy the IPOD?

Back

You can determine this by setting up the equation 55 + x = 145, where x is the amount he still needs.

Front

What is the solution to the equation 765 = p - 254?

Back

The solution is p = 765 + 254.