Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 + 87 by rounding each number to the nearest 10: ______
- Estimate 89 − 68 by rounding each number to the nearest 10: ______
- Estimate 49 − 81 by rounding each number to the nearest 10: ______
- Estimate 77 + 23 by rounding each number to the nearest 10: ______
- Estimate 66 + 68 by rounding each number to the nearest 10: ______
- Estimate 82 + 85 by rounding each number to the nearest 10: ______
- Estimate 56 − 31 by rounding each number to the nearest 10: ______
- Estimate 79 − 63 by rounding each number to the nearest 10: ______
- Estimate 57 − 76 by rounding each number to the nearest 10: ______
- Estimate 37 − 84 by rounding each number to the nearest 10: ______
- Estimate 62 − 53 by rounding each number to the nearest 10: ______
- Estimate 25 − 81 by rounding each number to the nearest 10: ______
- Estimate 46 + 83 by rounding each number to the nearest 10: ______
- Estimate 48 + 65 by rounding each number to the nearest 10: ______
- Estimate 23 − 33 by rounding each number to the nearest 10: ______
- Estimate 79 − 47 by rounding each number to the nearest 10: ______
- Estimate 62 − 74 by rounding each number to the nearest 10: ______
- Estimate 27 − 81 by rounding each number to the nearest 10: ______
- Estimate 55 − 31 by rounding each number to the nearest 10: ______
- Estimate 40 + 24 by rounding each number to the nearest 10: ______