Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 + 56 by rounding each number to the nearest 10: ______
- Estimate 48 − 72 by rounding each number to the nearest 10: ______
- Estimate 50 + 86 by rounding each number to the nearest 10: ______
- Estimate 58 − 67 by rounding each number to the nearest 10: ______
- Estimate 68 + 75 by rounding each number to the nearest 10: ______
- Estimate 58 − 35 by rounding each number to the nearest 10: ______
- Estimate 75 − 78 by rounding each number to the nearest 10: ______
- Estimate 83 + 64 by rounding each number to the nearest 10: ______
- Estimate 46 + 62 by rounding each number to the nearest 10: ______
- Estimate 84 − 81 by rounding each number to the nearest 10: ______
- Estimate 27 − 51 by rounding each number to the nearest 10: ______
- Estimate 50 − 23 by rounding each number to the nearest 10: ______
- Estimate 27 − 59 by rounding each number to the nearest 10: ______
- Estimate 40 + 46 by rounding each number to the nearest 10: ______
- Estimate 66 − 48 by rounding each number to the nearest 10: ______
- Estimate 21 + 57 by rounding each number to the nearest 10: ______
- Estimate 33 + 68 by rounding each number to the nearest 10: ______
- Estimate 39 − 39 by rounding each number to the nearest 10: ______
- Estimate 47 − 27 by rounding each number to the nearest 10: ______
- Estimate 81 + 64 by rounding each number to the nearest 10: ______