Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 68 by rounding each number to the nearest 10: ______
- Estimate 51 + 55 by rounding each number to the nearest 10: ______
- Estimate 70 − 53 by rounding each number to the nearest 10: ______
- Estimate 89 + 29 by rounding each number to the nearest 10: ______
- Estimate 27 + 39 by rounding each number to the nearest 10: ______
- Estimate 58 − 51 by rounding each number to the nearest 10: ______
- Estimate 36 + 32 by rounding each number to the nearest 10: ______
- Estimate 48 + 89 by rounding each number to the nearest 10: ______
- Estimate 35 − 83 by rounding each number to the nearest 10: ______
- Estimate 30 + 85 by rounding each number to the nearest 10: ______
- Estimate 64 + 79 by rounding each number to the nearest 10: ______
- Estimate 74 + 81 by rounding each number to the nearest 10: ______
- Estimate 78 + 48 by rounding each number to the nearest 10: ______
- Estimate 79 + 72 by rounding each number to the nearest 10: ______
- Estimate 31 − 45 by rounding each number to the nearest 10: ______
- Estimate 28 + 42 by rounding each number to the nearest 10: ______
- Estimate 61 − 28 by rounding each number to the nearest 10: ______
- Estimate 45 − 49 by rounding each number to the nearest 10: ______
- Estimate 29 − 60 by rounding each number to the nearest 10: ______
- Estimate 25 − 46 by rounding each number to the nearest 10: ______