Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 25 − 31 by rounding each number to the nearest 10: ______
- Estimate 48 − 48 by rounding each number to the nearest 10: ______
- Estimate 77 − 37 by rounding each number to the nearest 10: ______
- Estimate 36 + 49 by rounding each number to the nearest 10: ______
- Estimate 40 − 38 by rounding each number to the nearest 10: ______
- Estimate 39 − 81 by rounding each number to the nearest 10: ______
- Estimate 74 + 24 by rounding each number to the nearest 10: ______
- Estimate 49 − 64 by rounding each number to the nearest 10: ______
- Estimate 46 + 43 by rounding each number to the nearest 10: ______
- Estimate 63 + 30 by rounding each number to the nearest 10: ______
- Estimate 82 + 27 by rounding each number to the nearest 10: ______
- Estimate 79 − 51 by rounding each number to the nearest 10: ______
- Estimate 48 − 83 by rounding each number to the nearest 10: ______
- Estimate 66 + 25 by rounding each number to the nearest 10: ______
- Estimate 89 − 46 by rounding each number to the nearest 10: ______
- Estimate 21 − 37 by rounding each number to the nearest 10: ______
- Estimate 86 − 60 by rounding each number to the nearest 10: ______
- Estimate 82 + 43 by rounding each number to the nearest 10: ______
- Estimate 56 − 21 by rounding each number to the nearest 10: ______
- Estimate 61 + 36 by rounding each number to the nearest 10: ______