Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 21 by rounding each number to the nearest 10: ______
- Estimate 66 + 66 by rounding each number to the nearest 10: ______
- Estimate 35 − 30 by rounding each number to the nearest 10: ______
- Estimate 39 − 31 by rounding each number to the nearest 10: ______
- Estimate 69 + 33 by rounding each number to the nearest 10: ______
- Estimate 80 − 29 by rounding each number to the nearest 10: ______
- Estimate 49 + 66 by rounding each number to the nearest 10: ______
- Estimate 89 − 67 by rounding each number to the nearest 10: ______
- Estimate 65 + 88 by rounding each number to the nearest 10: ______
- Estimate 56 + 71 by rounding each number to the nearest 10: ______
- Estimate 54 + 59 by rounding each number to the nearest 10: ______
- Estimate 89 + 42 by rounding each number to the nearest 10: ______
- Estimate 40 − 69 by rounding each number to the nearest 10: ______
- Estimate 61 − 78 by rounding each number to the nearest 10: ______
- Estimate 57 − 33 by rounding each number to the nearest 10: ______
- Estimate 55 − 89 by rounding each number to the nearest 10: ______
- Estimate 39 + 38 by rounding each number to the nearest 10: ______
- Estimate 76 + 29 by rounding each number to the nearest 10: ______
- Estimate 84 + 53 by rounding each number to the nearest 10: ______
- Estimate 72 + 82 by rounding each number to the nearest 10: ______