Addition Equations with Variables

The video tutorial explains how to solve a math problem involving addition and subtraction. It starts by introducing the problem with given values, then explains the inverse operation of subtraction. The tutorial demonstrates how to perform column subtraction step-by-step and concludes by writing and verifying the final answer.

What is the total value given in the problem?

• 415

• 555

• 485

• 70

What is the inverse operation of addition?

• Multiplication

• Addition

• Division

• Subtraction

Which method is suggested for performing the subtraction?

• Mental Math

• Column Subtraction

• Using a Calculator

• Estimation

What is the result of subtracting 70 from 485?

• 415

• 395

• 475

• 405

What is the final step to confirm the subtraction result?

• Divide the result by 2

• Subtract 70 again

• Add 70 to the result

• Multiply the result by 2