Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 31 + 46 by rounding each number to the nearest 10: ______
- Estimate 23 + 29 by rounding each number to the nearest 10: ______
- Estimate 32 + 56 by rounding each number to the nearest 10: ______
- Estimate 33 − 27 by rounding each number to the nearest 10: ______
- Estimate 58 + 87 by rounding each number to the nearest 10: ______
- Estimate 84 + 81 by rounding each number to the nearest 10: ______
- Estimate 82 + 65 by rounding each number to the nearest 10: ______
- Estimate 23 − 89 by rounding each number to the nearest 10: ______
- Estimate 24 + 26 by rounding each number to the nearest 10: ______
- Estimate 80 + 82 by rounding each number to the nearest 10: ______
- Estimate 55 + 25 by rounding each number to the nearest 10: ______
- Estimate 85 − 26 by rounding each number to the nearest 10: ______
- Estimate 46 + 62 by rounding each number to the nearest 10: ______
- Estimate 46 − 63 by rounding each number to the nearest 10: ______
- Estimate 83 + 28 by rounding each number to the nearest 10: ______
- Estimate 70 − 37 by rounding each number to the nearest 10: ______
- Estimate 42 + 62 by rounding each number to the nearest 10: ______
- Estimate 85 + 24 by rounding each number to the nearest 10: ______
- Estimate 72 − 73 by rounding each number to the nearest 10: ______
- Estimate 75 + 46 by rounding each number to the nearest 10: ______