Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 − 64 by rounding each number to the nearest 10: ______
- Estimate 68 − 66 by rounding each number to the nearest 10: ______
- Estimate 27 − 21 by rounding each number to the nearest 10: ______
- Estimate 82 − 29 by rounding each number to the nearest 10: ______
- Estimate 25 − 52 by rounding each number to the nearest 10: ______
- Estimate 23 − 88 by rounding each number to the nearest 10: ______
- Estimate 30 + 87 by rounding each number to the nearest 10: ______
- Estimate 54 + 39 by rounding each number to the nearest 10: ______
- Estimate 38 − 48 by rounding each number to the nearest 10: ______
- Estimate 41 + 84 by rounding each number to the nearest 10: ______
- Estimate 74 − 30 by rounding each number to the nearest 10: ______
- Estimate 24 − 57 by rounding each number to the nearest 10: ______
- Estimate 85 − 82 by rounding each number to the nearest 10: ______
- Estimate 51 − 63 by rounding each number to the nearest 10: ______
- Estimate 89 − 74 by rounding each number to the nearest 10: ______
- Estimate 86 + 30 by rounding each number to the nearest 10: ______
- Estimate 86 − 31 by rounding each number to the nearest 10: ______
- Estimate 84 − 88 by rounding each number to the nearest 10: ______
- Estimate 88 + 84 by rounding each number to the nearest 10: ______
- Estimate 88 + 25 by rounding each number to the nearest 10: ______