Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 80 by rounding each number to the nearest 10: ______
- Estimate 81 + 27 by rounding each number to the nearest 10: ______
- Estimate 48 − 79 by rounding each number to the nearest 10: ______
- Estimate 59 − 88 by rounding each number to the nearest 10: ______
- Estimate 26 + 78 by rounding each number to the nearest 10: ______
- Estimate 36 − 68 by rounding each number to the nearest 10: ______
- Estimate 64 − 84 by rounding each number to the nearest 10: ______
- Estimate 24 + 48 by rounding each number to the nearest 10: ______
- Estimate 85 + 38 by rounding each number to the nearest 10: ______
- Estimate 69 − 40 by rounding each number to the nearest 10: ______
- Estimate 61 + 40 by rounding each number to the nearest 10: ______
- Estimate 45 + 69 by rounding each number to the nearest 10: ______
- Estimate 70 + 81 by rounding each number to the nearest 10: ______
- Estimate 64 + 43 by rounding each number to the nearest 10: ______
- Estimate 74 − 87 by rounding each number to the nearest 10: ______
- Estimate 33 + 28 by rounding each number to the nearest 10: ______
- Estimate 43 − 54 by rounding each number to the nearest 10: ______
- Estimate 28 − 40 by rounding each number to the nearest 10: ______
- Estimate 87 − 44 by rounding each number to the nearest 10: ______
- Estimate 78 + 70 by rounding each number to the nearest 10: ______