Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 − 39 by rounding each number to the nearest 10: ______
- Estimate 29 − 40 by rounding each number to the nearest 10: ______
- Estimate 84 − 34 by rounding each number to the nearest 10: ______
- Estimate 85 − 57 by rounding each number to the nearest 10: ______
- Estimate 37 + 68 by rounding each number to the nearest 10: ______
- Estimate 45 − 24 by rounding each number to the nearest 10: ______
- Estimate 80 − 85 by rounding each number to the nearest 10: ______
- Estimate 31 + 46 by rounding each number to the nearest 10: ______
- Estimate 83 − 23 by rounding each number to the nearest 10: ______
- Estimate 73 − 47 by rounding each number to the nearest 10: ______
- Estimate 81 + 81 by rounding each number to the nearest 10: ______
- Estimate 40 − 82 by rounding each number to the nearest 10: ______
- Estimate 72 − 64 by rounding each number to the nearest 10: ______
- Estimate 46 − 39 by rounding each number to the nearest 10: ______
- Estimate 28 − 84 by rounding each number to the nearest 10: ______
- Estimate 73 + 24 by rounding each number to the nearest 10: ______
- Estimate 75 + 51 by rounding each number to the nearest 10: ______
- Estimate 32 + 79 by rounding each number to the nearest 10: ______
- Estimate 85 + 23 by rounding each number to the nearest 10: ______
- Estimate 72 + 70 by rounding each number to the nearest 10: ______