Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 − 70 by rounding each number to the nearest 10: ______
- Estimate 47 − 38 by rounding each number to the nearest 10: ______
- Estimate 89 − 22 by rounding each number to the nearest 10: ______
- Estimate 60 + 23 by rounding each number to the nearest 10: ______
- Estimate 37 + 46 by rounding each number to the nearest 10: ______
- Estimate 58 + 75 by rounding each number to the nearest 10: ______
- Estimate 45 − 34 by rounding each number to the nearest 10: ______
- Estimate 71 + 26 by rounding each number to the nearest 10: ______
- Estimate 65 − 51 by rounding each number to the nearest 10: ______
- Estimate 28 + 33 by rounding each number to the nearest 10: ______
- Estimate 41 + 27 by rounding each number to the nearest 10: ______
- Estimate 86 − 33 by rounding each number to the nearest 10: ______
- Estimate 40 + 54 by rounding each number to the nearest 10: ______
- Estimate 57 + 82 by rounding each number to the nearest 10: ______
- Estimate 61 − 28 by rounding each number to the nearest 10: ______
- Estimate 85 + 80 by rounding each number to the nearest 10: ______
- Estimate 25 + 72 by rounding each number to the nearest 10: ______
- Estimate 51 + 88 by rounding each number to the nearest 10: ______
- Estimate 46 + 78 by rounding each number to the nearest 10: ______
- Estimate 53 + 80 by rounding each number to the nearest 10: ______