Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 + 21 by rounding each number to the nearest 10: ______
- Estimate 29 − 48 by rounding each number to the nearest 10: ______
- Estimate 61 + 49 by rounding each number to the nearest 10: ______
- Estimate 76 + 47 by rounding each number to the nearest 10: ______
- Estimate 73 − 66 by rounding each number to the nearest 10: ______
- Estimate 88 − 28 by rounding each number to the nearest 10: ______
- Estimate 60 + 26 by rounding each number to the nearest 10: ______
- Estimate 27 − 21 by rounding each number to the nearest 10: ______
- Estimate 74 + 41 by rounding each number to the nearest 10: ______
- Estimate 86 − 30 by rounding each number to the nearest 10: ______
- Estimate 22 − 36 by rounding each number to the nearest 10: ______
- Estimate 45 + 34 by rounding each number to the nearest 10: ______
- Estimate 30 − 54 by rounding each number to the nearest 10: ______
- Estimate 27 − 72 by rounding each number to the nearest 10: ______
- Estimate 22 − 59 by rounding each number to the nearest 10: ______
- Estimate 62 − 54 by rounding each number to the nearest 10: ______
- Estimate 60 − 51 by rounding each number to the nearest 10: ______
- Estimate 47 + 39 by rounding each number to the nearest 10: ______
- Estimate 58 + 78 by rounding each number to the nearest 10: ______
- Estimate 49 − 84 by rounding each number to the nearest 10: ______