Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 + 65 by rounding each number to the nearest 10: ______
- Estimate 88 + 71 by rounding each number to the nearest 10: ______
- Estimate 41 − 52 by rounding each number to the nearest 10: ______
- Estimate 33 + 74 by rounding each number to the nearest 10: ______
- Estimate 81 + 70 by rounding each number to the nearest 10: ______
- Estimate 82 + 56 by rounding each number to the nearest 10: ______
- Estimate 85 − 65 by rounding each number to the nearest 10: ______
- Estimate 21 + 26 by rounding each number to the nearest 10: ______
- Estimate 50 − 60 by rounding each number to the nearest 10: ______
- Estimate 34 + 87 by rounding each number to the nearest 10: ______
- Estimate 68 + 39 by rounding each number to the nearest 10: ______
- Estimate 65 − 80 by rounding each number to the nearest 10: ______
- Estimate 57 − 66 by rounding each number to the nearest 10: ______
- Estimate 49 − 74 by rounding each number to the nearest 10: ______
- Estimate 40 + 21 by rounding each number to the nearest 10: ______
- Estimate 75 − 27 by rounding each number to the nearest 10: ______
- Estimate 53 − 77 by rounding each number to the nearest 10: ______
- Estimate 32 − 65 by rounding each number to the nearest 10: ______
- Estimate 23 − 30 by rounding each number to the nearest 10: ______
- Estimate 49 − 26 by rounding each number to the nearest 10: ______