Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 82 by rounding each number to the nearest 10: ______
- Estimate 72 + 48 by rounding each number to the nearest 10: ______
- Estimate 84 − 31 by rounding each number to the nearest 10: ______
- Estimate 77 + 74 by rounding each number to the nearest 10: ______
- Estimate 34 + 21 by rounding each number to the nearest 10: ______
- Estimate 24 − 34 by rounding each number to the nearest 10: ______
- Estimate 46 + 71 by rounding each number to the nearest 10: ______
- Estimate 54 + 21 by rounding each number to the nearest 10: ______
- Estimate 36 − 63 by rounding each number to the nearest 10: ______
- Estimate 66 + 65 by rounding each number to the nearest 10: ______
- Estimate 51 − 74 by rounding each number to the nearest 10: ______
- Estimate 62 − 50 by rounding each number to the nearest 10: ______
- Estimate 74 + 50 by rounding each number to the nearest 10: ______
- Estimate 63 + 52 by rounding each number to the nearest 10: ______
- Estimate 72 − 78 by rounding each number to the nearest 10: ______
- Estimate 82 + 27 by rounding each number to the nearest 10: ______
- Estimate 45 − 40 by rounding each number to the nearest 10: ______
- Estimate 53 + 89 by rounding each number to the nearest 10: ______
- Estimate 66 − 47 by rounding each number to the nearest 10: ______
- Estimate 39 + 64 by rounding each number to the nearest 10: ______