Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 − 85 by rounding each number to the nearest 10: ______
- Estimate 70 + 28 by rounding each number to the nearest 10: ______
- Estimate 68 + 51 by rounding each number to the nearest 10: ______
- Estimate 50 − 84 by rounding each number to the nearest 10: ______
- Estimate 62 − 47 by rounding each number to the nearest 10: ______
- Estimate 67 − 80 by rounding each number to the nearest 10: ______
- Estimate 64 + 47 by rounding each number to the nearest 10: ______
- Estimate 37 − 81 by rounding each number to the nearest 10: ______
- Estimate 32 − 68 by rounding each number to the nearest 10: ______
- Estimate 86 − 77 by rounding each number to the nearest 10: ______
- Estimate 56 + 55 by rounding each number to the nearest 10: ______
- Estimate 35 + 77 by rounding each number to the nearest 10: ______
- Estimate 33 + 76 by rounding each number to the nearest 10: ______
- Estimate 45 − 37 by rounding each number to the nearest 10: ______
- Estimate 72 + 78 by rounding each number to the nearest 10: ______
- Estimate 44 + 44 by rounding each number to the nearest 10: ______
- Estimate 21 + 47 by rounding each number to the nearest 10: ______
- Estimate 54 + 87 by rounding each number to the nearest 10: ______
- Estimate 56 + 81 by rounding each number to the nearest 10: ______
- Estimate 82 − 68 by rounding each number to the nearest 10: ______