Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 39 by rounding each number to the nearest 10: ______
- Estimate 47 − 25 by rounding each number to the nearest 10: ______
- Estimate 33 + 64 by rounding each number to the nearest 10: ______
- Estimate 89 − 83 by rounding each number to the nearest 10: ______
- Estimate 61 + 49 by rounding each number to the nearest 10: ______
- Estimate 81 − 75 by rounding each number to the nearest 10: ______
- Estimate 67 − 32 by rounding each number to the nearest 10: ______
- Estimate 68 − 82 by rounding each number to the nearest 10: ______
- Estimate 54 + 88 by rounding each number to the nearest 10: ______
- Estimate 46 − 88 by rounding each number to the nearest 10: ______
- Estimate 34 + 25 by rounding each number to the nearest 10: ______
- Estimate 80 + 24 by rounding each number to the nearest 10: ______
- Estimate 76 + 86 by rounding each number to the nearest 10: ______
- Estimate 79 − 88 by rounding each number to the nearest 10: ______
- Estimate 53 + 61 by rounding each number to the nearest 10: ______
- Estimate 46 + 23 by rounding each number to the nearest 10: ______
- Estimate 47 − 62 by rounding each number to the nearest 10: ______
- Estimate 74 + 35 by rounding each number to the nearest 10: ______
- Estimate 22 − 32 by rounding each number to the nearest 10: ______
- Estimate 60 + 46 by rounding each number to the nearest 10: ______