Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 + 36 by rounding each number to the nearest 10: ______
- Estimate 61 + 88 by rounding each number to the nearest 10: ______
- Estimate 81 − 78 by rounding each number to the nearest 10: ______
- Estimate 83 − 22 by rounding each number to the nearest 10: ______
- Estimate 71 + 57 by rounding each number to the nearest 10: ______
- Estimate 35 + 26 by rounding each number to the nearest 10: ______
- Estimate 36 − 32 by rounding each number to the nearest 10: ______
- Estimate 65 + 47 by rounding each number to the nearest 10: ______
- Estimate 33 + 89 by rounding each number to the nearest 10: ______
- Estimate 77 + 61 by rounding each number to the nearest 10: ______
- Estimate 71 − 48 by rounding each number to the nearest 10: ______
- Estimate 67 + 67 by rounding each number to the nearest 10: ______
- Estimate 77 + 83 by rounding each number to the nearest 10: ______
- Estimate 30 + 71 by rounding each number to the nearest 10: ______
- Estimate 47 + 34 by rounding each number to the nearest 10: ______
- Estimate 64 + 85 by rounding each number to the nearest 10: ______
- Estimate 25 + 32 by rounding each number to the nearest 10: ______
- Estimate 79 + 47 by rounding each number to the nearest 10: ______
- Estimate 26 + 73 by rounding each number to the nearest 10: ______
- Estimate 49 + 78 by rounding each number to the nearest 10: ______