Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 − 49 by rounding each number to the nearest 10: ______
- Estimate 31 − 30 by rounding each number to the nearest 10: ______
- Estimate 67 − 57 by rounding each number to the nearest 10: ______
- Estimate 80 − 82 by rounding each number to the nearest 10: ______
- Estimate 26 + 61 by rounding each number to the nearest 10: ______
- Estimate 58 − 52 by rounding each number to the nearest 10: ______
- Estimate 58 + 54 by rounding each number to the nearest 10: ______
- Estimate 69 − 46 by rounding each number to the nearest 10: ______
- Estimate 80 − 21 by rounding each number to the nearest 10: ______
- Estimate 31 + 30 by rounding each number to the nearest 10: ______
- Estimate 37 − 44 by rounding each number to the nearest 10: ______
- Estimate 75 + 53 by rounding each number to the nearest 10: ______
- Estimate 33 + 68 by rounding each number to the nearest 10: ______
- Estimate 86 + 64 by rounding each number to the nearest 10: ______
- Estimate 89 + 77 by rounding each number to the nearest 10: ______
- Estimate 69 − 66 by rounding each number to the nearest 10: ______
- Estimate 80 + 60 by rounding each number to the nearest 10: ______
- Estimate 63 − 31 by rounding each number to the nearest 10: ______
- Estimate 86 − 78 by rounding each number to the nearest 10: ______
- Estimate 72 + 50 by rounding each number to the nearest 10: ______