Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 55 + 36 by rounding each number to the nearest 10: ______
- Estimate 80 + 88 by rounding each number to the nearest 10: ______
- Estimate 81 − 64 by rounding each number to the nearest 10: ______
- Estimate 75 − 53 by rounding each number to the nearest 10: ______
- Estimate 38 − 42 by rounding each number to the nearest 10: ______
- Estimate 40 + 47 by rounding each number to the nearest 10: ______
- Estimate 47 + 71 by rounding each number to the nearest 10: ______
- Estimate 28 − 39 by rounding each number to the nearest 10: ______
- Estimate 28 − 42 by rounding each number to the nearest 10: ______
- Estimate 75 + 49 by rounding each number to the nearest 10: ______
- Estimate 41 − 53 by rounding each number to the nearest 10: ______
- Estimate 53 − 72 by rounding each number to the nearest 10: ______
- Estimate 67 + 29 by rounding each number to the nearest 10: ______
- Estimate 48 + 36 by rounding each number to the nearest 10: ______
- Estimate 61 + 24 by rounding each number to the nearest 10: ______
- Estimate 31 + 81 by rounding each number to the nearest 10: ______
- Estimate 46 + 57 by rounding each number to the nearest 10: ______
- Estimate 41 − 66 by rounding each number to the nearest 10: ______
- Estimate 52 − 26 by rounding each number to the nearest 10: ______
- Estimate 27 + 49 by rounding each number to the nearest 10: ______