Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 25 by rounding each number to the nearest 10: ______
- Estimate 62 + 70 by rounding each number to the nearest 10: ______
- Estimate 23 − 50 by rounding each number to the nearest 10: ______
- Estimate 87 + 74 by rounding each number to the nearest 10: ______
- Estimate 62 − 80 by rounding each number to the nearest 10: ______
- Estimate 65 − 66 by rounding each number to the nearest 10: ______
- Estimate 26 − 63 by rounding each number to the nearest 10: ______
- Estimate 54 + 79 by rounding each number to the nearest 10: ______
- Estimate 67 − 78 by rounding each number to the nearest 10: ______
- Estimate 72 + 89 by rounding each number to the nearest 10: ______
- Estimate 83 + 60 by rounding each number to the nearest 10: ______
- Estimate 22 − 39 by rounding each number to the nearest 10: ______
- Estimate 87 + 82 by rounding each number to the nearest 10: ______
- Estimate 28 + 56 by rounding each number to the nearest 10: ______
- Estimate 24 − 57 by rounding each number to the nearest 10: ______
- Estimate 63 − 64 by rounding each number to the nearest 10: ______
- Estimate 77 + 32 by rounding each number to the nearest 10: ______
- Estimate 84 − 44 by rounding each number to the nearest 10: ______
- Estimate 27 − 65 by rounding each number to the nearest 10: ______
- Estimate 55 + 22 by rounding each number to the nearest 10: ______