Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 − 42 by rounding each number to the nearest 10: ______
- Estimate 71 − 77 by rounding each number to the nearest 10: ______
- Estimate 21 − 82 by rounding each number to the nearest 10: ______
- Estimate 25 − 22 by rounding each number to the nearest 10: ______
- Estimate 60 − 52 by rounding each number to the nearest 10: ______
- Estimate 24 + 49 by rounding each number to the nearest 10: ______
- Estimate 66 + 27 by rounding each number to the nearest 10: ______
- Estimate 26 + 45 by rounding each number to the nearest 10: ______
- Estimate 65 + 26 by rounding each number to the nearest 10: ______
- Estimate 55 + 33 by rounding each number to the nearest 10: ______
- Estimate 39 + 88 by rounding each number to the nearest 10: ______
- Estimate 38 − 66 by rounding each number to the nearest 10: ______
- Estimate 48 − 79 by rounding each number to the nearest 10: ______
- Estimate 79 − 21 by rounding each number to the nearest 10: ______
- Estimate 81 − 38 by rounding each number to the nearest 10: ______
- Estimate 22 + 80 by rounding each number to the nearest 10: ______
- Estimate 45 − 37 by rounding each number to the nearest 10: ______
- Estimate 21 + 37 by rounding each number to the nearest 10: ______
- Estimate 71 + 87 by rounding each number to the nearest 10: ______
- Estimate 23 − 24 by rounding each number to the nearest 10: ______