Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 25 − 65 by rounding each number to the nearest 10: ______
- Estimate 78 + 66 by rounding each number to the nearest 10: ______
- Estimate 86 − 67 by rounding each number to the nearest 10: ______
- Estimate 21 + 44 by rounding each number to the nearest 10: ______
- Estimate 54 − 43 by rounding each number to the nearest 10: ______
- Estimate 63 − 84 by rounding each number to the nearest 10: ______
- Estimate 46 + 28 by rounding each number to the nearest 10: ______
- Estimate 72 − 86 by rounding each number to the nearest 10: ______
- Estimate 56 + 88 by rounding each number to the nearest 10: ______
- Estimate 64 + 86 by rounding each number to the nearest 10: ______
- Estimate 50 + 37 by rounding each number to the nearest 10: ______
- Estimate 33 − 54 by rounding each number to the nearest 10: ______
- Estimate 46 + 68 by rounding each number to the nearest 10: ______
- Estimate 83 − 60 by rounding each number to the nearest 10: ______
- Estimate 49 − 51 by rounding each number to the nearest 10: ______
- Estimate 55 + 52 by rounding each number to the nearest 10: ______
- Estimate 45 − 44 by rounding each number to the nearest 10: ______
- Estimate 39 + 86 by rounding each number to the nearest 10: ______
- Estimate 76 − 42 by rounding each number to the nearest 10: ______
- Estimate 89 − 47 by rounding each number to the nearest 10: ______