Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 89 by rounding each number to the nearest 10: ______
- Estimate 24 − 31 by rounding each number to the nearest 10: ______
- Estimate 82 − 27 by rounding each number to the nearest 10: ______
- Estimate 28 + 89 by rounding each number to the nearest 10: ______
- Estimate 55 + 44 by rounding each number to the nearest 10: ______
- Estimate 70 − 22 by rounding each number to the nearest 10: ______
- Estimate 54 − 78 by rounding each number to the nearest 10: ______
- Estimate 65 + 77 by rounding each number to the nearest 10: ______
- Estimate 38 − 80 by rounding each number to the nearest 10: ______
- Estimate 66 + 64 by rounding each number to the nearest 10: ______
- Estimate 33 + 26 by rounding each number to the nearest 10: ______
- Estimate 55 − 69 by rounding each number to the nearest 10: ______
- Estimate 81 + 60 by rounding each number to the nearest 10: ______
- Estimate 82 + 78 by rounding each number to the nearest 10: ______
- Estimate 50 + 82 by rounding each number to the nearest 10: ______
- Estimate 22 − 83 by rounding each number to the nearest 10: ______
- Estimate 76 − 45 by rounding each number to the nearest 10: ______
- Estimate 48 − 56 by rounding each number to the nearest 10: ______
- Estimate 69 − 42 by rounding each number to the nearest 10: ______
- Estimate 35 + 58 by rounding each number to the nearest 10: ______