Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 46 by rounding each number to the nearest 10: ______
- Estimate 75 − 26 by rounding each number to the nearest 10: ______
- Estimate 75 + 60 by rounding each number to the nearest 10: ______
- Estimate 31 − 33 by rounding each number to the nearest 10: ______
- Estimate 82 − 70 by rounding each number to the nearest 10: ______
- Estimate 23 − 88 by rounding each number to the nearest 10: ______
- Estimate 51 + 64 by rounding each number to the nearest 10: ______
- Estimate 22 − 65 by rounding each number to the nearest 10: ______
- Estimate 28 + 84 by rounding each number to the nearest 10: ______
- Estimate 36 − 51 by rounding each number to the nearest 10: ______
- Estimate 26 + 66 by rounding each number to the nearest 10: ______
- Estimate 58 − 58 by rounding each number to the nearest 10: ______
- Estimate 84 + 52 by rounding each number to the nearest 10: ______
- Estimate 67 + 27 by rounding each number to the nearest 10: ______
- Estimate 43 + 51 by rounding each number to the nearest 10: ______
- Estimate 58 + 77 by rounding each number to the nearest 10: ______
- Estimate 58 + 40 by rounding each number to the nearest 10: ______
- Estimate 63 − 82 by rounding each number to the nearest 10: ______
- Estimate 74 − 26 by rounding each number to the nearest 10: ______
- Estimate 84 − 80 by rounding each number to the nearest 10: ______