Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 + 38 by rounding each number to the nearest 10: ______
- Estimate 45 + 52 by rounding each number to the nearest 10: ______
- Estimate 49 + 27 by rounding each number to the nearest 10: ______
- Estimate 66 − 31 by rounding each number to the nearest 10: ______
- Estimate 43 + 77 by rounding each number to the nearest 10: ______
- Estimate 36 − 80 by rounding each number to the nearest 10: ______
- Estimate 86 + 76 by rounding each number to the nearest 10: ______
- Estimate 76 + 43 by rounding each number to the nearest 10: ______
- Estimate 28 + 78 by rounding each number to the nearest 10: ______
- Estimate 81 + 89 by rounding each number to the nearest 10: ______
- Estimate 67 − 63 by rounding each number to the nearest 10: ______
- Estimate 70 + 51 by rounding each number to the nearest 10: ______
- Estimate 36 − 74 by rounding each number to the nearest 10: ______
- Estimate 68 + 43 by rounding each number to the nearest 10: ______
- Estimate 27 + 25 by rounding each number to the nearest 10: ______
- Estimate 86 + 48 by rounding each number to the nearest 10: ______
- Estimate 66 + 32 by rounding each number to the nearest 10: ______
- Estimate 31 − 76 by rounding each number to the nearest 10: ______
- Estimate 29 + 40 by rounding each number to the nearest 10: ______
- Estimate 35 + 82 by rounding each number to the nearest 10: ______