Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 + 73 by rounding each number to the nearest 10: ______
- Estimate 89 + 29 by rounding each number to the nearest 10: ______
- Estimate 63 + 68 by rounding each number to the nearest 10: ______
- Estimate 59 − 23 by rounding each number to the nearest 10: ______
- Estimate 86 − 34 by rounding each number to the nearest 10: ______
- Estimate 21 − 22 by rounding each number to the nearest 10: ______
- Estimate 22 − 25 by rounding each number to the nearest 10: ______
- Estimate 39 − 75 by rounding each number to the nearest 10: ______
- Estimate 34 + 68 by rounding each number to the nearest 10: ______
- Estimate 74 + 29 by rounding each number to the nearest 10: ______
- Estimate 41 + 46 by rounding each number to the nearest 10: ______
- Estimate 76 + 28 by rounding each number to the nearest 10: ______
- Estimate 78 + 84 by rounding each number to the nearest 10: ______
- Estimate 68 + 76 by rounding each number to the nearest 10: ______
- Estimate 47 + 66 by rounding each number to the nearest 10: ______
- Estimate 41 − 33 by rounding each number to the nearest 10: ______
- Estimate 40 + 85 by rounding each number to the nearest 10: ______
- Estimate 71 − 88 by rounding each number to the nearest 10: ______
- Estimate 68 + 70 by rounding each number to the nearest 10: ______
- Estimate 39 − 72 by rounding each number to the nearest 10: ______