Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 39 by rounding each number to the nearest 10: ______
- Estimate 75 − 73 by rounding each number to the nearest 10: ______
- Estimate 53 − 85 by rounding each number to the nearest 10: ______
- Estimate 77 − 29 by rounding each number to the nearest 10: ______
- Estimate 21 + 72 by rounding each number to the nearest 10: ______
- Estimate 88 + 50 by rounding each number to the nearest 10: ______
- Estimate 86 + 45 by rounding each number to the nearest 10: ______
- Estimate 29 + 56 by rounding each number to the nearest 10: ______
- Estimate 74 − 85 by rounding each number to the nearest 10: ______
- Estimate 29 − 25 by rounding each number to the nearest 10: ______
- Estimate 46 + 49 by rounding each number to the nearest 10: ______
- Estimate 86 + 57 by rounding each number to the nearest 10: ______
- Estimate 39 − 89 by rounding each number to the nearest 10: ______
- Estimate 21 − 36 by rounding each number to the nearest 10: ______
- Estimate 58 + 75 by rounding each number to the nearest 10: ______
- Estimate 57 + 43 by rounding each number to the nearest 10: ______
- Estimate 88 − 56 by rounding each number to the nearest 10: ______
- Estimate 28 + 84 by rounding each number to the nearest 10: ______
- Estimate 67 + 55 by rounding each number to the nearest 10: ______
- Estimate 45 − 41 by rounding each number to the nearest 10: ______