Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 76 + 82 by rounding each number to the nearest 10: ______
- Estimate 51 + 21 by rounding each number to the nearest 10: ______
- Estimate 25 − 65 by rounding each number to the nearest 10: ______
- Estimate 64 + 23 by rounding each number to the nearest 10: ______
- Estimate 60 − 45 by rounding each number to the nearest 10: ______
- Estimate 77 + 83 by rounding each number to the nearest 10: ______
- Estimate 88 + 41 by rounding each number to the nearest 10: ______
- Estimate 23 + 59 by rounding each number to the nearest 10: ______
- Estimate 57 + 89 by rounding each number to the nearest 10: ______
- Estimate 47 − 48 by rounding each number to the nearest 10: ______
- Estimate 81 + 32 by rounding each number to the nearest 10: ______
- Estimate 78 + 71 by rounding each number to the nearest 10: ______
- Estimate 57 − 31 by rounding each number to the nearest 10: ______
- Estimate 74 + 78 by rounding each number to the nearest 10: ______
- Estimate 59 + 79 by rounding each number to the nearest 10: ______
- Estimate 59 + 37 by rounding each number to the nearest 10: ______
- Estimate 48 + 81 by rounding each number to the nearest 10: ______
- Estimate 83 − 71 by rounding each number to the nearest 10: ______
- Estimate 64 + 41 by rounding each number to the nearest 10: ______
- Estimate 50 − 49 by rounding each number to the nearest 10: ______