Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 77 by rounding each number to the nearest 10: ______
- Estimate 37 + 45 by rounding each number to the nearest 10: ______
- Estimate 31 − 34 by rounding each number to the nearest 10: ______
- Estimate 62 + 51 by rounding each number to the nearest 10: ______
- Estimate 76 + 70 by rounding each number to the nearest 10: ______
- Estimate 42 + 51 by rounding each number to the nearest 10: ______
- Estimate 55 − 87 by rounding each number to the nearest 10: ______
- Estimate 61 − 49 by rounding each number to the nearest 10: ______
- Estimate 49 + 24 by rounding each number to the nearest 10: ______
- Estimate 82 + 50 by rounding each number to the nearest 10: ______
- Estimate 21 + 21 by rounding each number to the nearest 10: ______
- Estimate 86 − 39 by rounding each number to the nearest 10: ______
- Estimate 31 − 75 by rounding each number to the nearest 10: ______
- Estimate 81 + 55 by rounding each number to the nearest 10: ______
- Estimate 45 + 36 by rounding each number to the nearest 10: ______
- Estimate 78 − 60 by rounding each number to the nearest 10: ______
- Estimate 25 − 31 by rounding each number to the nearest 10: ______
- Estimate 53 − 63 by rounding each number to the nearest 10: ______
- Estimate 27 + 48 by rounding each number to the nearest 10: ______
- Estimate 48 + 34 by rounding each number to the nearest 10: ______