Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 + 37 by rounding each number to the nearest 10: ______
- Estimate 45 + 72 by rounding each number to the nearest 10: ______
- Estimate 85 − 28 by rounding each number to the nearest 10: ______
- Estimate 62 − 44 by rounding each number to the nearest 10: ______
- Estimate 37 + 86 by rounding each number to the nearest 10: ______
- Estimate 36 − 62 by rounding each number to the nearest 10: ______
- Estimate 66 − 26 by rounding each number to the nearest 10: ______
- Estimate 86 + 61 by rounding each number to the nearest 10: ______
- Estimate 86 + 40 by rounding each number to the nearest 10: ______
- Estimate 85 + 22 by rounding each number to the nearest 10: ______
- Estimate 64 − 22 by rounding each number to the nearest 10: ______
- Estimate 29 − 86 by rounding each number to the nearest 10: ______
- Estimate 31 + 45 by rounding each number to the nearest 10: ______
- Estimate 72 − 29 by rounding each number to the nearest 10: ______
- Estimate 77 − 60 by rounding each number to the nearest 10: ______
- Estimate 50 − 36 by rounding each number to the nearest 10: ______
- Estimate 84 − 67 by rounding each number to the nearest 10: ______
- Estimate 67 + 33 by rounding each number to the nearest 10: ______
- Estimate 28 + 47 by rounding each number to the nearest 10: ______
- Estimate 54 + 53 by rounding each number to the nearest 10: ______