Understanding Inverse Operations in Addition Equations

What is the inverse operation of addition?

• Subtraction

• Division

• Multiplication

• Addition

If you start with the number 4 and add 6, what operation would you use to return to 4?

• Add 10

• Subtract 6

• Multiply by 2

• Divide by 2

In the equation x + 5 = 8, what is the first step to find the value of x?

• Add 5 to both sides

• Multiply both sides by 5

• Divide both sides by 5

• Subtract 5 from both sides

What is the value of x in the equation x + 5 = 8?

• 2

• 3

• 5

• 4

How can you verify that your solution to an equation is correct?

• By dividing both sides by the solution

• By multiplying both sides by zero

• By substituting the solution back into the original equation

• By adding the same number to both sides