Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 − 70 by rounding each number to the nearest 10: ______
- Estimate 83 − 46 by rounding each number to the nearest 10: ______
- Estimate 49 + 42 by rounding each number to the nearest 10: ______
- Estimate 31 + 73 by rounding each number to the nearest 10: ______
- Estimate 64 − 40 by rounding each number to the nearest 10: ______
- Estimate 61 + 41 by rounding each number to the nearest 10: ______
- Estimate 33 − 25 by rounding each number to the nearest 10: ______
- Estimate 22 − 70 by rounding each number to the nearest 10: ______
- Estimate 44 − 78 by rounding each number to the nearest 10: ______
- Estimate 35 − 77 by rounding each number to the nearest 10: ______
- Estimate 39 − 38 by rounding each number to the nearest 10: ______
- Estimate 28 − 43 by rounding each number to the nearest 10: ______
- Estimate 45 + 35 by rounding each number to the nearest 10: ______
- Estimate 57 + 74 by rounding each number to the nearest 10: ______
- Estimate 40 − 82 by rounding each number to the nearest 10: ______
- Estimate 87 + 45 by rounding each number to the nearest 10: ______
- Estimate 38 − 30 by rounding each number to the nearest 10: ______
- Estimate 74 + 51 by rounding each number to the nearest 10: ______
- Estimate 57 − 44 by rounding each number to the nearest 10: ______
- Estimate 37 − 86 by rounding each number to the nearest 10: ______