Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 76 + 39 by rounding each number to the nearest 10: ______
- Estimate 40 + 41 by rounding each number to the nearest 10: ______
- Estimate 76 − 48 by rounding each number to the nearest 10: ______
- Estimate 48 − 62 by rounding each number to the nearest 10: ______
- Estimate 52 − 82 by rounding each number to the nearest 10: ______
- Estimate 63 + 58 by rounding each number to the nearest 10: ______
- Estimate 23 + 78 by rounding each number to the nearest 10: ______
- Estimate 67 − 41 by rounding each number to the nearest 10: ______
- Estimate 66 − 63 by rounding each number to the nearest 10: ______
- Estimate 53 − 60 by rounding each number to the nearest 10: ______
- Estimate 44 + 72 by rounding each number to the nearest 10: ______
- Estimate 69 − 70 by rounding each number to the nearest 10: ______
- Estimate 55 + 64 by rounding each number to the nearest 10: ______
- Estimate 56 − 89 by rounding each number to the nearest 10: ______
- Estimate 54 + 25 by rounding each number to the nearest 10: ______
- Estimate 63 − 85 by rounding each number to the nearest 10: ______
- Estimate 40 + 45 by rounding each number to the nearest 10: ______
- Estimate 35 + 28 by rounding each number to the nearest 10: ______
- Estimate 33 + 45 by rounding each number to the nearest 10: ______
- Estimate 21 + 57 by rounding each number to the nearest 10: ______