Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 + 63 by rounding each number to the nearest 10: ______
- Estimate 68 + 54 by rounding each number to the nearest 10: ______
- Estimate 27 − 39 by rounding each number to the nearest 10: ______
- Estimate 55 − 82 by rounding each number to the nearest 10: ______
- Estimate 51 + 24 by rounding each number to the nearest 10: ______
- Estimate 42 − 70 by rounding each number to the nearest 10: ______
- Estimate 60 + 67 by rounding each number to the nearest 10: ______
- Estimate 36 + 24 by rounding each number to the nearest 10: ______
- Estimate 22 + 54 by rounding each number to the nearest 10: ______
- Estimate 62 + 38 by rounding each number to the nearest 10: ______
- Estimate 43 − 27 by rounding each number to the nearest 10: ______
- Estimate 52 + 39 by rounding each number to the nearest 10: ______
- Estimate 53 + 23 by rounding each number to the nearest 10: ______
- Estimate 31 − 85 by rounding each number to the nearest 10: ______
- Estimate 68 − 61 by rounding each number to the nearest 10: ______
- Estimate 25 − 42 by rounding each number to the nearest 10: ______
- Estimate 76 − 53 by rounding each number to the nearest 10: ______
- Estimate 37 + 75 by rounding each number to the nearest 10: ______
- Estimate 80 − 87 by rounding each number to the nearest 10: ______
- Estimate 66 − 89 by rounding each number to the nearest 10: ______