Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 + 57 by rounding each number to the nearest 10: ______
- Estimate 77 − 51 by rounding each number to the nearest 10: ______
- Estimate 87 + 84 by rounding each number to the nearest 10: ______
- Estimate 85 + 75 by rounding each number to the nearest 10: ______
- Estimate 55 + 74 by rounding each number to the nearest 10: ______
- Estimate 61 − 67 by rounding each number to the nearest 10: ______
- Estimate 39 − 46 by rounding each number to the nearest 10: ______
- Estimate 73 + 46 by rounding each number to the nearest 10: ______
- Estimate 42 + 28 by rounding each number to the nearest 10: ______
- Estimate 89 + 66 by rounding each number to the nearest 10: ______
- Estimate 25 − 79 by rounding each number to the nearest 10: ______
- Estimate 57 + 30 by rounding each number to the nearest 10: ______
- Estimate 69 − 49 by rounding each number to the nearest 10: ______
- Estimate 38 + 43 by rounding each number to the nearest 10: ______
- Estimate 70 + 88 by rounding each number to the nearest 10: ______
- Estimate 88 − 35 by rounding each number to the nearest 10: ______
- Estimate 73 + 39 by rounding each number to the nearest 10: ______
- Estimate 28 − 55 by rounding each number to the nearest 10: ______
- Estimate 47 + 62 by rounding each number to the nearest 10: ______
- Estimate 57 + 29 by rounding each number to the nearest 10: ______