Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 + 34 by rounding each number to the nearest 10: ______
- Estimate 56 + 70 by rounding each number to the nearest 10: ______
- Estimate 56 + 64 by rounding each number to the nearest 10: ______
- Estimate 78 − 64 by rounding each number to the nearest 10: ______
- Estimate 74 − 86 by rounding each number to the nearest 10: ______
- Estimate 60 + 83 by rounding each number to the nearest 10: ______
- Estimate 87 − 54 by rounding each number to the nearest 10: ______
- Estimate 66 + 67 by rounding each number to the nearest 10: ______
- Estimate 54 + 76 by rounding each number to the nearest 10: ______
- Estimate 21 + 28 by rounding each number to the nearest 10: ______
- Estimate 45 − 66 by rounding each number to the nearest 10: ______
- Estimate 36 − 49 by rounding each number to the nearest 10: ______
- Estimate 77 + 88 by rounding each number to the nearest 10: ______
- Estimate 38 + 82 by rounding each number to the nearest 10: ______
- Estimate 22 + 30 by rounding each number to the nearest 10: ______
- Estimate 81 − 38 by rounding each number to the nearest 10: ______
- Estimate 64 + 45 by rounding each number to the nearest 10: ______
- Estimate 22 + 60 by rounding each number to the nearest 10: ______
- Estimate 25 − 48 by rounding each number to the nearest 10: ______
- Estimate 89 − 60 by rounding each number to the nearest 10: ______