Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 44 by rounding each number to the nearest 10: ______
- Estimate 87 + 89 by rounding each number to the nearest 10: ______
- Estimate 39 + 28 by rounding each number to the nearest 10: ______
- Estimate 85 − 30 by rounding each number to the nearest 10: ______
- Estimate 31 − 84 by rounding each number to the nearest 10: ______
- Estimate 50 − 87 by rounding each number to the nearest 10: ______
- Estimate 87 − 84 by rounding each number to the nearest 10: ______
- Estimate 74 − 23 by rounding each number to the nearest 10: ______
- Estimate 34 + 53 by rounding each number to the nearest 10: ______
- Estimate 28 + 49 by rounding each number to the nearest 10: ______
- Estimate 82 − 51 by rounding each number to the nearest 10: ______
- Estimate 36 − 35 by rounding each number to the nearest 10: ______
- Estimate 86 − 80 by rounding each number to the nearest 10: ______
- Estimate 79 + 38 by rounding each number to the nearest 10: ______
- Estimate 76 + 81 by rounding each number to the nearest 10: ______
- Estimate 35 − 88 by rounding each number to the nearest 10: ______
- Estimate 74 + 24 by rounding each number to the nearest 10: ______
- Estimate 86 − 73 by rounding each number to the nearest 10: ______
- Estimate 54 − 33 by rounding each number to the nearest 10: ______
- Estimate 71 + 52 by rounding each number to the nearest 10: ______