Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 31 + 72 by rounding each number to the nearest 10: ______
- Estimate 86 − 47 by rounding each number to the nearest 10: ______
- Estimate 73 + 66 by rounding each number to the nearest 10: ______
- Estimate 41 + 57 by rounding each number to the nearest 10: ______
- Estimate 64 + 87 by rounding each number to the nearest 10: ______
- Estimate 27 − 73 by rounding each number to the nearest 10: ______
- Estimate 80 − 26 by rounding each number to the nearest 10: ______
- Estimate 50 + 58 by rounding each number to the nearest 10: ______
- Estimate 70 + 62 by rounding each number to the nearest 10: ______
- Estimate 55 + 81 by rounding each number to the nearest 10: ______
- Estimate 52 + 85 by rounding each number to the nearest 10: ______
- Estimate 76 + 70 by rounding each number to the nearest 10: ______
- Estimate 46 − 65 by rounding each number to the nearest 10: ______
- Estimate 72 + 28 by rounding each number to the nearest 10: ______
- Estimate 78 + 21 by rounding each number to the nearest 10: ______
- Estimate 66 − 47 by rounding each number to the nearest 10: ______
- Estimate 45 + 43 by rounding each number to the nearest 10: ______
- Estimate 68 + 76 by rounding each number to the nearest 10: ______
- Estimate 44 + 72 by rounding each number to the nearest 10: ______
- Estimate 63 − 57 by rounding each number to the nearest 10: ______