Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 44 by rounding each number to the nearest 10: ______
- Estimate 38 + 53 by rounding each number to the nearest 10: ______
- Estimate 76 − 89 by rounding each number to the nearest 10: ______
- Estimate 81 − 80 by rounding each number to the nearest 10: ______
- Estimate 71 + 24 by rounding each number to the nearest 10: ______
- Estimate 52 − 39 by rounding each number to the nearest 10: ______
- Estimate 42 + 51 by rounding each number to the nearest 10: ______
- Estimate 74 − 59 by rounding each number to the nearest 10: ______
- Estimate 67 + 73 by rounding each number to the nearest 10: ______
- Estimate 37 + 38 by rounding each number to the nearest 10: ______
- Estimate 25 + 29 by rounding each number to the nearest 10: ______
- Estimate 54 + 86 by rounding each number to the nearest 10: ______
- Estimate 66 + 78 by rounding each number to the nearest 10: ______
- Estimate 53 + 70 by rounding each number to the nearest 10: ______
- Estimate 88 − 74 by rounding each number to the nearest 10: ______
- Estimate 83 + 49 by rounding each number to the nearest 10: ______
- Estimate 59 − 35 by rounding each number to the nearest 10: ______
- Estimate 86 + 66 by rounding each number to the nearest 10: ______
- Estimate 63 − 83 by rounding each number to the nearest 10: ______
- Estimate 82 + 67 by rounding each number to the nearest 10: ______