Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 + 71 by rounding each number to the nearest 10: ______
- Estimate 48 − 85 by rounding each number to the nearest 10: ______
- Estimate 78 − 29 by rounding each number to the nearest 10: ______
- Estimate 82 + 70 by rounding each number to the nearest 10: ______
- Estimate 43 + 83 by rounding each number to the nearest 10: ______
- Estimate 85 − 63 by rounding each number to the nearest 10: ______
- Estimate 32 + 40 by rounding each number to the nearest 10: ______
- Estimate 31 + 82 by rounding each number to the nearest 10: ______
- Estimate 69 + 78 by rounding each number to the nearest 10: ______
- Estimate 21 + 83 by rounding each number to the nearest 10: ______
- Estimate 81 + 42 by rounding each number to the nearest 10: ______
- Estimate 27 + 62 by rounding each number to the nearest 10: ______
- Estimate 78 + 25 by rounding each number to the nearest 10: ______
- Estimate 44 − 57 by rounding each number to the nearest 10: ______
- Estimate 63 − 35 by rounding each number to the nearest 10: ______
- Estimate 42 + 88 by rounding each number to the nearest 10: ______
- Estimate 67 − 64 by rounding each number to the nearest 10: ______
- Estimate 27 + 85 by rounding each number to the nearest 10: ______
- Estimate 33 − 49 by rounding each number to the nearest 10: ______
- Estimate 51 − 27 by rounding each number to the nearest 10: ______