Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 + 23 by rounding each number to the nearest 10: ______
- Estimate 49 + 85 by rounding each number to the nearest 10: ______
- Estimate 34 − 47 by rounding each number to the nearest 10: ______
- Estimate 60 + 39 by rounding each number to the nearest 10: ______
- Estimate 87 + 49 by rounding each number to the nearest 10: ______
- Estimate 34 − 34 by rounding each number to the nearest 10: ______
- Estimate 37 − 28 by rounding each number to the nearest 10: ______
- Estimate 29 + 71 by rounding each number to the nearest 10: ______
- Estimate 49 + 78 by rounding each number to the nearest 10: ______
- Estimate 88 + 26 by rounding each number to the nearest 10: ______
- Estimate 26 − 61 by rounding each number to the nearest 10: ______
- Estimate 68 + 29 by rounding each number to the nearest 10: ______
- Estimate 62 − 42 by rounding each number to the nearest 10: ______
- Estimate 76 − 65 by rounding each number to the nearest 10: ______
- Estimate 53 + 30 by rounding each number to the nearest 10: ______
- Estimate 58 + 29 by rounding each number to the nearest 10: ______
- Estimate 54 − 22 by rounding each number to the nearest 10: ______
- Estimate 36 + 65 by rounding each number to the nearest 10: ______
- Estimate 26 + 67 by rounding each number to the nearest 10: ______
- Estimate 49 − 40 by rounding each number to the nearest 10: ______