Estimation and Double-Checking

Estimating means making a smart guess. It’s helpful when you want a quick answer or to check if your work makes sense.

Why Estimate?

• Saves time when you don’t need an exact answer.
• Helps catch mistakes by seeing if your answer is reasonable.

Checking Your Work

• Reread the problem and review your steps.
• Try solving it a different way to see if you get the same answer.