Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 + 71 by rounding each number to the nearest 10: ______
- Estimate 30 − 60 by rounding each number to the nearest 10: ______
- Estimate 24 + 25 by rounding each number to the nearest 10: ______
- Estimate 40 − 39 by rounding each number to the nearest 10: ______
- Estimate 21 − 72 by rounding each number to the nearest 10: ______
- Estimate 50 − 80 by rounding each number to the nearest 10: ______
- Estimate 50 + 86 by rounding each number to the nearest 10: ______
- Estimate 44 − 42 by rounding each number to the nearest 10: ______
- Estimate 80 + 42 by rounding each number to the nearest 10: ______
- Estimate 84 − 88 by rounding each number to the nearest 10: ______
- Estimate 58 − 27 by rounding each number to the nearest 10: ______
- Estimate 83 − 62 by rounding each number to the nearest 10: ______
- Estimate 40 + 28 by rounding each number to the nearest 10: ______
- Estimate 69 − 43 by rounding each number to the nearest 10: ______
- Estimate 23 − 85 by rounding each number to the nearest 10: ______
- Estimate 83 + 49 by rounding each number to the nearest 10: ______
- Estimate 87 − 74 by rounding each number to the nearest 10: ______
- Estimate 30 − 41 by rounding each number to the nearest 10: ______
- Estimate 87 + 27 by rounding each number to the nearest 10: ______
- Estimate 46 + 89 by rounding each number to the nearest 10: ______