Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 − 28 by rounding each number to the nearest 10: ______
- Estimate 80 + 69 by rounding each number to the nearest 10: ______
- Estimate 80 − 76 by rounding each number to the nearest 10: ______
- Estimate 70 + 74 by rounding each number to the nearest 10: ______
- Estimate 46 − 47 by rounding each number to the nearest 10: ______
- Estimate 22 − 21 by rounding each number to the nearest 10: ______
- Estimate 40 − 41 by rounding each number to the nearest 10: ______
- Estimate 25 + 39 by rounding each number to the nearest 10: ______
- Estimate 82 − 75 by rounding each number to the nearest 10: ______
- Estimate 37 + 23 by rounding each number to the nearest 10: ______
- Estimate 38 + 50 by rounding each number to the nearest 10: ______
- Estimate 67 − 85 by rounding each number to the nearest 10: ______
- Estimate 64 − 88 by rounding each number to the nearest 10: ______
- Estimate 65 + 58 by rounding each number to the nearest 10: ______
- Estimate 47 − 74 by rounding each number to the nearest 10: ______
- Estimate 52 + 64 by rounding each number to the nearest 10: ______
- Estimate 45 + 67 by rounding each number to the nearest 10: ______
- Estimate 22 − 83 by rounding each number to the nearest 10: ______
- Estimate 78 − 37 by rounding each number to the nearest 10: ______
- Estimate 48 − 51 by rounding each number to the nearest 10: ______