Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 41 + 68 by rounding each number to the nearest 10: ______
- Estimate 29 + 63 by rounding each number to the nearest 10: ______
- Estimate 43 − 85 by rounding each number to the nearest 10: ______
- Estimate 41 + 76 by rounding each number to the nearest 10: ______
- Estimate 57 − 83 by rounding each number to the nearest 10: ______
- Estimate 62 + 59 by rounding each number to the nearest 10: ______
- Estimate 42 + 55 by rounding each number to the nearest 10: ______
- Estimate 63 − 76 by rounding each number to the nearest 10: ______
- Estimate 44 + 24 by rounding each number to the nearest 10: ______
- Estimate 86 + 67 by rounding each number to the nearest 10: ______
- Estimate 49 − 31 by rounding each number to the nearest 10: ______
- Estimate 81 − 22 by rounding each number to the nearest 10: ______
- Estimate 79 + 64 by rounding each number to the nearest 10: ______
- Estimate 23 + 83 by rounding each number to the nearest 10: ______
- Estimate 63 + 80 by rounding each number to the nearest 10: ______
- Estimate 26 + 21 by rounding each number to the nearest 10: ______
- Estimate 43 − 67 by rounding each number to the nearest 10: ______
- Estimate 26 − 45 by rounding each number to the nearest 10: ______
- Estimate 46 − 83 by rounding each number to the nearest 10: ______
- Estimate 88 − 49 by rounding each number to the nearest 10: ______