Equations

Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal, often containing variables.

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 a letter, that represents an unknown number in an equation.

Front

What is the solution of 9 + k = 18?

Back

k = 9

Front

What is the solution of 3w = 30?

Back

w = 10

Front

If Kelly earned $20 for babysitting and $100 in total, how much did she earn doing chores?

Back

$80

Front

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

Back

j + 26 = 47

Front

What is the solution of y + 5 = 10?

Back

y = 5

Front

What is the purpose of using equations in real life?

Back

Equations help us to model and solve problems involving unknown values.

Front

What is a simple equation?

Back

A simple equation is an equation that can be solved in one step, like x + 3 = 5.