Estimation: Your Math Superpower

Rounding Estimation Question 1 Submit Score: 0 Reset Estimation: Your Math Superpower What Is Estimation? Estimation is finding a value close enough to the exact answer—essentially a smart guess. Key Methods Covered Rounding Numbers Front-End Estimation Real-life applications Rounding Rules Nearest Ten Look at the ones digit : 0-4 → Round DOWN 5-9 → Round UP Replace the ones digit with 0 . Example: 42 → 40 . Nearest Hundred Look at the tens digit : 0-4 → Round DOWN 5-9 → Round UP Change tens and ones to 0 . Example: 2596 → 2600 . Nearest Thousand Look at the hundreds digit : 0-4 → Round DOWN 5-9 → Round UP Change hundreds, tens, and ones to 0 . Example: 7503 → 8000 . Quick Reference Chart Number Nearest Ten Nearest Hundred Nearest Thousand ...