Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 − 76 by rounding each number to the nearest 10: ______
- Estimate 88 − 76 by rounding each number to the nearest 10: ______
- Estimate 43 + 35 by rounding each number to the nearest 10: ______
- Estimate 63 − 66 by rounding each number to the nearest 10: ______
- Estimate 59 + 42 by rounding each number to the nearest 10: ______
- Estimate 41 + 71 by rounding each number to the nearest 10: ______
- Estimate 44 + 42 by rounding each number to the nearest 10: ______
- Estimate 68 − 66 by rounding each number to the nearest 10: ______
- Estimate 70 − 67 by rounding each number to the nearest 10: ______
- Estimate 47 − 67 by rounding each number to the nearest 10: ______
- Estimate 60 − 67 by rounding each number to the nearest 10: ______
- Estimate 89 − 82 by rounding each number to the nearest 10: ______
- Estimate 78 + 83 by rounding each number to the nearest 10: ______
- Estimate 60 + 49 by rounding each number to the nearest 10: ______
- Estimate 53 − 36 by rounding each number to the nearest 10: ______
- Estimate 36 − 34 by rounding each number to the nearest 10: ______
- Estimate 49 − 78 by rounding each number to the nearest 10: ______
- Estimate 44 − 27 by rounding each number to the nearest 10: ______
- Estimate 87 + 22 by rounding each number to the nearest 10: ______
- Estimate 79 + 25 by rounding each number to the nearest 10: ______