Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 58 by rounding each number to the nearest 10: ______
- Estimate 31 + 31 by rounding each number to the nearest 10: ______
- Estimate 66 − 25 by rounding each number to the nearest 10: ______
- Estimate 59 + 45 by rounding each number to the nearest 10: ______
- Estimate 85 + 30 by rounding each number to the nearest 10: ______
- Estimate 79 + 64 by rounding each number to the nearest 10: ______
- Estimate 74 + 59 by rounding each number to the nearest 10: ______
- Estimate 77 + 56 by rounding each number to the nearest 10: ______
- Estimate 54 + 83 by rounding each number to the nearest 10: ______
- Estimate 28 + 85 by rounding each number to the nearest 10: ______
- Estimate 76 − 30 by rounding each number to the nearest 10: ______
- Estimate 33 + 60 by rounding each number to the nearest 10: ______
- Estimate 38 − 73 by rounding each number to the nearest 10: ______
- Estimate 75 − 81 by rounding each number to the nearest 10: ______
- Estimate 40 + 81 by rounding each number to the nearest 10: ______
- Estimate 38 − 63 by rounding each number to the nearest 10: ______
- Estimate 47 + 74 by rounding each number to the nearest 10: ______
- Estimate 54 + 31 by rounding each number to the nearest 10: ______
- Estimate 67 − 62 by rounding each number to the nearest 10: ______
- Estimate 45 − 70 by rounding each number to the nearest 10: ______