Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 + 49 by rounding each number to the nearest 10: ______
- Estimate 37 − 31 by rounding each number to the nearest 10: ______
- Estimate 31 + 85 by rounding each number to the nearest 10: ______
- Estimate 40 − 75 by rounding each number to the nearest 10: ______
- Estimate 69 − 28 by rounding each number to the nearest 10: ______
- Estimate 87 + 33 by rounding each number to the nearest 10: ______
- Estimate 33 + 70 by rounding each number to the nearest 10: ______
- Estimate 26 + 57 by rounding each number to the nearest 10: ______
- Estimate 27 + 33 by rounding each number to the nearest 10: ______
- Estimate 30 − 43 by rounding each number to the nearest 10: ______
- Estimate 88 − 82 by rounding each number to the nearest 10: ______
- Estimate 46 + 42 by rounding each number to the nearest 10: ______
- Estimate 73 + 34 by rounding each number to the nearest 10: ______
- Estimate 32 − 69 by rounding each number to the nearest 10: ______
- Estimate 74 − 38 by rounding each number to the nearest 10: ______
- Estimate 74 + 45 by rounding each number to the nearest 10: ______
- Estimate 45 − 83 by rounding each number to the nearest 10: ______
- Estimate 47 − 57 by rounding each number to the nearest 10: ______
- Estimate 78 − 36 by rounding each number to the nearest 10: ______
- Estimate 89 + 21 by rounding each number to the nearest 10: ______