Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 54 + 24 by rounding each number to the nearest 10: ______
- Estimate 64 − 89 by rounding each number to the nearest 10: ______
- Estimate 22 − 81 by rounding each number to the nearest 10: ______
- Estimate 43 − 38 by rounding each number to the nearest 10: ______
- Estimate 78 + 66 by rounding each number to the nearest 10: ______
- Estimate 29 − 41 by rounding each number to the nearest 10: ______
- Estimate 65 + 25 by rounding each number to the nearest 10: ______
- Estimate 66 + 26 by rounding each number to the nearest 10: ______
- Estimate 25 − 24 by rounding each number to the nearest 10: ______
- Estimate 71 + 36 by rounding each number to the nearest 10: ______
- Estimate 27 + 37 by rounding each number to the nearest 10: ______
- Estimate 40 + 39 by rounding each number to the nearest 10: ______
- Estimate 24 + 85 by rounding each number to the nearest 10: ______
- Estimate 82 − 40 by rounding each number to the nearest 10: ______
- Estimate 58 + 81 by rounding each number to the nearest 10: ______
- Estimate 75 + 31 by rounding each number to the nearest 10: ______
- Estimate 76 + 61 by rounding each number to the nearest 10: ______
- Estimate 82 − 48 by rounding each number to the nearest 10: ______
- Estimate 30 + 79 by rounding each number to the nearest 10: ______
- Estimate 45 − 88 by rounding each number to the nearest 10: ______