Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 + 23 by rounding each number to the nearest 10: ______
- Estimate 67 − 73 by rounding each number to the nearest 10: ______
- Estimate 50 − 47 by rounding each number to the nearest 10: ______
- Estimate 76 − 70 by rounding each number to the nearest 10: ______
- Estimate 25 − 31 by rounding each number to the nearest 10: ______
- Estimate 66 − 78 by rounding each number to the nearest 10: ______
- Estimate 67 − 23 by rounding each number to the nearest 10: ______
- Estimate 58 + 57 by rounding each number to the nearest 10: ______
- Estimate 33 + 22 by rounding each number to the nearest 10: ______
- Estimate 86 − 61 by rounding each number to the nearest 10: ______
- Estimate 23 − 63 by rounding each number to the nearest 10: ______
- Estimate 88 − 45 by rounding each number to the nearest 10: ______
- Estimate 53 + 87 by rounding each number to the nearest 10: ______
- Estimate 58 + 43 by rounding each number to the nearest 10: ______
- Estimate 66 + 59 by rounding each number to the nearest 10: ______
- Estimate 83 − 39 by rounding each number to the nearest 10: ______
- Estimate 31 + 49 by rounding each number to the nearest 10: ______
- Estimate 22 + 50 by rounding each number to the nearest 10: ______
- Estimate 55 − 29 by rounding each number to the nearest 10: ______
- Estimate 47 − 32 by rounding each number to the nearest 10: ______