Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 55 + 60 by rounding each number to the nearest 10: ______
- Estimate 26 − 57 by rounding each number to the nearest 10: ______
- Estimate 27 − 64 by rounding each number to the nearest 10: ______
- Estimate 48 − 43 by rounding each number to the nearest 10: ______
- Estimate 36 + 72 by rounding each number to the nearest 10: ______
- Estimate 80 − 27 by rounding each number to the nearest 10: ______
- Estimate 31 − 76 by rounding each number to the nearest 10: ______
- Estimate 78 − 40 by rounding each number to the nearest 10: ______
- Estimate 47 + 82 by rounding each number to the nearest 10: ______
- Estimate 40 − 51 by rounding each number to the nearest 10: ______
- Estimate 45 − 53 by rounding each number to the nearest 10: ______
- Estimate 29 + 77 by rounding each number to the nearest 10: ______
- Estimate 71 − 23 by rounding each number to the nearest 10: ______
- Estimate 60 − 27 by rounding each number to the nearest 10: ______
- Estimate 75 − 32 by rounding each number to the nearest 10: ______
- Estimate 23 − 53 by rounding each number to the nearest 10: ______
- Estimate 79 − 36 by rounding each number to the nearest 10: ______
- Estimate 88 + 35 by rounding each number to the nearest 10: ______
- Estimate 64 − 21 by rounding each number to the nearest 10: ______
- Estimate 40 + 46 by rounding each number to the nearest 10: ______