Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 + 52 by rounding each number to the nearest 10: ______
- Estimate 81 + 33 by rounding each number to the nearest 10: ______
- Estimate 49 − 29 by rounding each number to the nearest 10: ______
- Estimate 23 − 68 by rounding each number to the nearest 10: ______
- Estimate 70 + 49 by rounding each number to the nearest 10: ______
- Estimate 78 + 82 by rounding each number to the nearest 10: ______
- Estimate 57 + 86 by rounding each number to the nearest 10: ______
- Estimate 86 − 26 by rounding each number to the nearest 10: ______
- Estimate 65 + 26 by rounding each number to the nearest 10: ______
- Estimate 82 − 38 by rounding each number to the nearest 10: ______
- Estimate 28 − 89 by rounding each number to the nearest 10: ______
- Estimate 48 − 33 by rounding each number to the nearest 10: ______
- Estimate 55 − 69 by rounding each number to the nearest 10: ______
- Estimate 40 + 87 by rounding each number to the nearest 10: ______
- Estimate 38 + 74 by rounding each number to the nearest 10: ______
- Estimate 38 + 85 by rounding each number to the nearest 10: ______
- Estimate 89 − 88 by rounding each number to the nearest 10: ______
- Estimate 37 + 75 by rounding each number to the nearest 10: ______
- Estimate 71 − 30 by rounding each number to the nearest 10: ______
- Estimate 74 − 76 by rounding each number to the nearest 10: ______