Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 + 45 by rounding each number to the nearest 10: ______
- Estimate 60 − 83 by rounding each number to the nearest 10: ______
- Estimate 39 + 49 by rounding each number to the nearest 10: ______
- Estimate 78 + 77 by rounding each number to the nearest 10: ______
- Estimate 82 + 33 by rounding each number to the nearest 10: ______
- Estimate 34 + 88 by rounding each number to the nearest 10: ______
- Estimate 63 + 85 by rounding each number to the nearest 10: ______
- Estimate 69 − 28 by rounding each number to the nearest 10: ______
- Estimate 70 − 29 by rounding each number to the nearest 10: ______
- Estimate 34 + 33 by rounding each number to the nearest 10: ______
- Estimate 22 + 24 by rounding each number to the nearest 10: ______
- Estimate 87 − 69 by rounding each number to the nearest 10: ______
- Estimate 33 + 76 by rounding each number to the nearest 10: ______
- Estimate 56 − 89 by rounding each number to the nearest 10: ______
- Estimate 71 + 43 by rounding each number to the nearest 10: ______
- Estimate 48 − 74 by rounding each number to the nearest 10: ______
- Estimate 66 + 62 by rounding each number to the nearest 10: ______
- Estimate 40 + 85 by rounding each number to the nearest 10: ______
- Estimate 84 − 54 by rounding each number to the nearest 10: ______
- Estimate 72 − 41 by rounding each number to the nearest 10: ______