Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 26 + 41 by rounding each number to the nearest 10: ______
- Estimate 48 + 54 by rounding each number to the nearest 10: ______
- Estimate 53 + 31 by rounding each number to the nearest 10: ______
- Estimate 69 − 30 by rounding each number to the nearest 10: ______
- Estimate 45 − 40 by rounding each number to the nearest 10: ______
- Estimate 69 − 45 by rounding each number to the nearest 10: ______
- Estimate 49 − 43 by rounding each number to the nearest 10: ______
- Estimate 39 + 78 by rounding each number to the nearest 10: ______
- Estimate 50 − 82 by rounding each number to the nearest 10: ______
- Estimate 49 + 71 by rounding each number to the nearest 10: ______
- Estimate 82 − 50 by rounding each number to the nearest 10: ______
- Estimate 73 − 86 by rounding each number to the nearest 10: ______
- Estimate 31 − 87 by rounding each number to the nearest 10: ______
- Estimate 88 + 55 by rounding each number to the nearest 10: ______
- Estimate 31 + 71 by rounding each number to the nearest 10: ______
- Estimate 84 − 81 by rounding each number to the nearest 10: ______
- Estimate 33 + 49 by rounding each number to the nearest 10: ______
- Estimate 77 − 47 by rounding each number to the nearest 10: ______
- Estimate 32 − 85 by rounding each number to the nearest 10: ______
- Estimate 27 − 28 by rounding each number to the nearest 10: ______