Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 − 56 by rounding each number to the nearest 10: ______
- Estimate 64 + 57 by rounding each number to the nearest 10: ______
- Estimate 82 − 85 by rounding each number to the nearest 10: ______
- Estimate 78 + 21 by rounding each number to the nearest 10: ______
- Estimate 77 − 47 by rounding each number to the nearest 10: ______
- Estimate 83 + 24 by rounding each number to the nearest 10: ______
- Estimate 23 + 56 by rounding each number to the nearest 10: ______
- Estimate 66 + 45 by rounding each number to the nearest 10: ______
- Estimate 78 − 81 by rounding each number to the nearest 10: ______
- Estimate 70 + 33 by rounding each number to the nearest 10: ______
- Estimate 87 + 73 by rounding each number to the nearest 10: ______
- Estimate 87 − 63 by rounding each number to the nearest 10: ______
- Estimate 74 − 64 by rounding each number to the nearest 10: ______
- Estimate 24 − 22 by rounding each number to the nearest 10: ______
- Estimate 82 − 44 by rounding each number to the nearest 10: ______
- Estimate 67 − 79 by rounding each number to the nearest 10: ______
- Estimate 54 − 69 by rounding each number to the nearest 10: ______
- Estimate 68 − 85 by rounding each number to the nearest 10: ______
- Estimate 71 − 80 by rounding each number to the nearest 10: ______
- Estimate 25 − 29 by rounding each number to the nearest 10: ______