Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 + 63 by rounding each number to the nearest 10: ______
- Estimate 84 − 45 by rounding each number to the nearest 10: ______
- Estimate 33 − 28 by rounding each number to the nearest 10: ______
- Estimate 79 + 65 by rounding each number to the nearest 10: ______
- Estimate 60 + 76 by rounding each number to the nearest 10: ______
- Estimate 53 + 44 by rounding each number to the nearest 10: ______
- Estimate 54 − 71 by rounding each number to the nearest 10: ______
- Estimate 22 + 31 by rounding each number to the nearest 10: ______
- Estimate 59 − 30 by rounding each number to the nearest 10: ______
- Estimate 62 − 30 by rounding each number to the nearest 10: ______
- Estimate 44 − 83 by rounding each number to the nearest 10: ______
- Estimate 71 − 38 by rounding each number to the nearest 10: ______
- Estimate 82 − 66 by rounding each number to the nearest 10: ______
- Estimate 60 − 51 by rounding each number to the nearest 10: ______
- Estimate 59 + 75 by rounding each number to the nearest 10: ______
- Estimate 88 + 81 by rounding each number to the nearest 10: ______
- Estimate 55 − 47 by rounding each number to the nearest 10: ______
- Estimate 39 − 59 by rounding each number to the nearest 10: ______
- Estimate 39 + 84 by rounding each number to the nearest 10: ______
- Estimate 24 + 21 by rounding each number to the nearest 10: ______