Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 + 35 by rounding each number to the nearest 10: ______
- Estimate 83 − 32 by rounding each number to the nearest 10: ______
- Estimate 32 + 89 by rounding each number to the nearest 10: ______
- Estimate 30 − 76 by rounding each number to the nearest 10: ______
- Estimate 27 − 71 by rounding each number to the nearest 10: ______
- Estimate 34 − 50 by rounding each number to the nearest 10: ______
- Estimate 55 + 38 by rounding each number to the nearest 10: ______
- Estimate 47 − 87 by rounding each number to the nearest 10: ______
- Estimate 34 − 80 by rounding each number to the nearest 10: ______
- Estimate 76 + 21 by rounding each number to the nearest 10: ______
- Estimate 52 − 62 by rounding each number to the nearest 10: ______
- Estimate 54 + 26 by rounding each number to the nearest 10: ______
- Estimate 55 − 28 by rounding each number to the nearest 10: ______
- Estimate 63 + 83 by rounding each number to the nearest 10: ______
- Estimate 24 − 38 by rounding each number to the nearest 10: ______
- Estimate 38 + 65 by rounding each number to the nearest 10: ______
- Estimate 64 + 78 by rounding each number to the nearest 10: ______
- Estimate 72 + 55 by rounding each number to the nearest 10: ______
- Estimate 62 − 25 by rounding each number to the nearest 10: ______
- Estimate 46 − 38 by rounding each number to the nearest 10: ______