Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 − 29 by rounding each number to the nearest 10: ______
- Estimate 49 − 87 by rounding each number to the nearest 10: ______
- Estimate 40 + 32 by rounding each number to the nearest 10: ______
- Estimate 62 + 54 by rounding each number to the nearest 10: ______
- Estimate 23 − 63 by rounding each number to the nearest 10: ______
- Estimate 45 + 89 by rounding each number to the nearest 10: ______
- Estimate 64 + 63 by rounding each number to the nearest 10: ______
- Estimate 25 + 76 by rounding each number to the nearest 10: ______
- Estimate 43 + 70 by rounding each number to the nearest 10: ______
- Estimate 87 − 70 by rounding each number to the nearest 10: ______
- Estimate 32 + 50 by rounding each number to the nearest 10: ______
- Estimate 77 + 65 by rounding each number to the nearest 10: ______
- Estimate 39 − 46 by rounding each number to the nearest 10: ______
- Estimate 35 + 25 by rounding each number to the nearest 10: ______
- Estimate 40 + 82 by rounding each number to the nearest 10: ______
- Estimate 42 + 85 by rounding each number to the nearest 10: ______
- Estimate 83 − 70 by rounding each number to the nearest 10: ______
- Estimate 57 − 43 by rounding each number to the nearest 10: ______
- Estimate 51 − 32 by rounding each number to the nearest 10: ______
- Estimate 85 + 25 by rounding each number to the nearest 10: ______