Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 89 by rounding each number to the nearest 10: ______
- Estimate 38 − 84 by rounding each number to the nearest 10: ______
- Estimate 42 − 48 by rounding each number to the nearest 10: ______
- Estimate 45 − 67 by rounding each number to the nearest 10: ______
- Estimate 31 + 46 by rounding each number to the nearest 10: ______
- Estimate 85 + 58 by rounding each number to the nearest 10: ______
- Estimate 32 − 27 by rounding each number to the nearest 10: ______
- Estimate 23 − 21 by rounding each number to the nearest 10: ______
- Estimate 89 + 21 by rounding each number to the nearest 10: ______
- Estimate 81 − 52 by rounding each number to the nearest 10: ______
- Estimate 89 − 31 by rounding each number to the nearest 10: ______
- Estimate 80 + 26 by rounding each number to the nearest 10: ______
- Estimate 58 − 47 by rounding each number to the nearest 10: ______
- Estimate 36 − 84 by rounding each number to the nearest 10: ______
- Estimate 58 + 27 by rounding each number to the nearest 10: ______
- Estimate 30 − 63 by rounding each number to the nearest 10: ______
- Estimate 27 + 25 by rounding each number to the nearest 10: ______
- Estimate 41 − 56 by rounding each number to the nearest 10: ______
- Estimate 21 + 53 by rounding each number to the nearest 10: ______
- Estimate 31 + 76 by rounding each number to the nearest 10: ______