Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 + 45 by rounding each number to the nearest 10: ______
- Estimate 27 − 59 by rounding each number to the nearest 10: ______
- Estimate 75 − 33 by rounding each number to the nearest 10: ______
- Estimate 29 + 49 by rounding each number to the nearest 10: ______
- Estimate 78 − 62 by rounding each number to the nearest 10: ______
- Estimate 49 + 55 by rounding each number to the nearest 10: ______
- Estimate 63 − 74 by rounding each number to the nearest 10: ______
- Estimate 78 − 76 by rounding each number to the nearest 10: ______
- Estimate 50 + 38 by rounding each number to the nearest 10: ______
- Estimate 52 + 30 by rounding each number to the nearest 10: ______
- Estimate 56 − 82 by rounding each number to the nearest 10: ______
- Estimate 38 − 73 by rounding each number to the nearest 10: ______
- Estimate 73 + 70 by rounding each number to the nearest 10: ______
- Estimate 27 + 81 by rounding each number to the nearest 10: ______
- Estimate 53 − 22 by rounding each number to the nearest 10: ______
- Estimate 60 + 65 by rounding each number to the nearest 10: ______
- Estimate 85 + 59 by rounding each number to the nearest 10: ______
- Estimate 58 + 88 by rounding each number to the nearest 10: ______
- Estimate 21 − 47 by rounding each number to the nearest 10: ______
- Estimate 54 − 61 by rounding each number to the nearest 10: ______