Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 24 − 28 by rounding each number to the nearest 10: ______
- Estimate 28 + 33 by rounding each number to the nearest 10: ______
- Estimate 39 + 89 by rounding each number to the nearest 10: ______
- Estimate 49 − 74 by rounding each number to the nearest 10: ______
- Estimate 74 + 51 by rounding each number to the nearest 10: ______
- Estimate 71 − 22 by rounding each number to the nearest 10: ______
- Estimate 26 + 22 by rounding each number to the nearest 10: ______
- Estimate 31 + 78 by rounding each number to the nearest 10: ______
- Estimate 86 − 43 by rounding each number to the nearest 10: ______
- Estimate 88 + 89 by rounding each number to the nearest 10: ______
- Estimate 48 + 47 by rounding each number to the nearest 10: ______
- Estimate 83 − 81 by rounding each number to the nearest 10: ______
- Estimate 29 − 82 by rounding each number to the nearest 10: ______
- Estimate 71 + 79 by rounding each number to the nearest 10: ______
- Estimate 74 − 70 by rounding each number to the nearest 10: ______
- Estimate 86 − 21 by rounding each number to the nearest 10: ______
- Estimate 65 − 63 by rounding each number to the nearest 10: ______
- Estimate 85 + 86 by rounding each number to the nearest 10: ______
- Estimate 39 + 44 by rounding each number to the nearest 10: ______
- Estimate 41 − 77 by rounding each number to the nearest 10: ______