Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 32 + 55 by rounding each number to the nearest 10: ______
- Estimate 50 − 54 by rounding each number to the nearest 10: ______
- Estimate 80 − 74 by rounding each number to the nearest 10: ______
- Estimate 78 + 41 by rounding each number to the nearest 10: ______
- Estimate 28 − 86 by rounding each number to the nearest 10: ______
- Estimate 84 + 78 by rounding each number to the nearest 10: ______
- Estimate 86 + 63 by rounding each number to the nearest 10: ______
- Estimate 45 − 65 by rounding each number to the nearest 10: ______
- Estimate 54 − 21 by rounding each number to the nearest 10: ______
- Estimate 86 + 44 by rounding each number to the nearest 10: ______
- Estimate 27 − 80 by rounding each number to the nearest 10: ______
- Estimate 37 + 52 by rounding each number to the nearest 10: ______
- Estimate 83 + 62 by rounding each number to the nearest 10: ______
- Estimate 70 + 29 by rounding each number to the nearest 10: ______
- Estimate 23 + 66 by rounding each number to the nearest 10: ______
- Estimate 65 − 84 by rounding each number to the nearest 10: ______
- Estimate 36 − 86 by rounding each number to the nearest 10: ______
- Estimate 44 + 39 by rounding each number to the nearest 10: ______
- Estimate 27 + 64 by rounding each number to the nearest 10: ______
- Estimate 39 − 88 by rounding each number to the nearest 10: ______