Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 50 + 29 by rounding each number to the nearest 10: ______
- Estimate 25 + 85 by rounding each number to the nearest 10: ______
- Estimate 50 − 86 by rounding each number to the nearest 10: ______
- Estimate 39 + 56 by rounding each number to the nearest 10: ______
- Estimate 38 + 23 by rounding each number to the nearest 10: ______
- Estimate 53 + 73 by rounding each number to the nearest 10: ______
- Estimate 75 + 84 by rounding each number to the nearest 10: ______
- Estimate 29 + 54 by rounding each number to the nearest 10: ______
- Estimate 77 + 57 by rounding each number to the nearest 10: ______
- Estimate 61 + 28 by rounding each number to the nearest 10: ______
- Estimate 85 − 35 by rounding each number to the nearest 10: ______
- Estimate 37 + 55 by rounding each number to the nearest 10: ______
- Estimate 40 + 67 by rounding each number to the nearest 10: ______
- Estimate 41 + 57 by rounding each number to the nearest 10: ______
- Estimate 89 − 55 by rounding each number to the nearest 10: ______
- Estimate 78 − 50 by rounding each number to the nearest 10: ______
- Estimate 69 − 81 by rounding each number to the nearest 10: ______
- Estimate 59 + 88 by rounding each number to the nearest 10: ______
- Estimate 22 + 30 by rounding each number to the nearest 10: ______
- Estimate 35 − 46 by rounding each number to the nearest 10: ______