Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 − 44 by rounding each number to the nearest 10: ______
- Estimate 81 + 36 by rounding each number to the nearest 10: ______
- Estimate 70 + 38 by rounding each number to the nearest 10: ______
- Estimate 53 − 46 by rounding each number to the nearest 10: ______
- Estimate 37 − 72 by rounding each number to the nearest 10: ______
- Estimate 40 − 63 by rounding each number to the nearest 10: ______
- Estimate 59 + 66 by rounding each number to the nearest 10: ______
- Estimate 65 + 67 by rounding each number to the nearest 10: ______
- Estimate 68 + 34 by rounding each number to the nearest 10: ______
- Estimate 27 + 27 by rounding each number to the nearest 10: ______
- Estimate 56 − 82 by rounding each number to the nearest 10: ______
- Estimate 85 + 60 by rounding each number to the nearest 10: ______
- Estimate 89 + 66 by rounding each number to the nearest 10: ______
- Estimate 32 − 53 by rounding each number to the nearest 10: ______
- Estimate 40 − 89 by rounding each number to the nearest 10: ______
- Estimate 83 − 72 by rounding each number to the nearest 10: ______
- Estimate 81 − 87 by rounding each number to the nearest 10: ______
- Estimate 27 − 76 by rounding each number to the nearest 10: ______
- Estimate 86 − 45 by rounding each number to the nearest 10: ______
- Estimate 70 − 22 by rounding each number to the nearest 10: ______