Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 53 + 51 by rounding each number to the nearest 10: ______
- Estimate 81 + 32 by rounding each number to the nearest 10: ______
- Estimate 48 − 39 by rounding each number to the nearest 10: ______
- Estimate 83 − 62 by rounding each number to the nearest 10: ______
- Estimate 74 − 25 by rounding each number to the nearest 10: ______
- Estimate 73 − 77 by rounding each number to the nearest 10: ______
- Estimate 41 + 83 by rounding each number to the nearest 10: ______
- Estimate 74 + 23 by rounding each number to the nearest 10: ______
- Estimate 35 − 81 by rounding each number to the nearest 10: ______
- Estimate 63 − 76 by rounding each number to the nearest 10: ______
- Estimate 46 + 55 by rounding each number to the nearest 10: ______
- Estimate 85 − 42 by rounding each number to the nearest 10: ______
- Estimate 65 + 49 by rounding each number to the nearest 10: ______
- Estimate 49 + 83 by rounding each number to the nearest 10: ______
- Estimate 41 − 38 by rounding each number to the nearest 10: ______
- Estimate 87 − 46 by rounding each number to the nearest 10: ______
- Estimate 56 + 47 by rounding each number to the nearest 10: ______
- Estimate 68 − 66 by rounding each number to the nearest 10: ______
- Estimate 62 − 31 by rounding each number to the nearest 10: ______
- Estimate 70 − 31 by rounding each number to the nearest 10: ______