Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 46 by rounding each number to the nearest 10: ______
- Estimate 61 + 23 by rounding each number to the nearest 10: ______
- Estimate 63 + 38 by rounding each number to the nearest 10: ______
- Estimate 45 + 21 by rounding each number to the nearest 10: ______
- Estimate 75 − 67 by rounding each number to the nearest 10: ______
- Estimate 43 + 25 by rounding each number to the nearest 10: ______
- Estimate 30 + 59 by rounding each number to the nearest 10: ______
- Estimate 57 + 88 by rounding each number to the nearest 10: ______
- Estimate 32 − 49 by rounding each number to the nearest 10: ______
- Estimate 86 − 87 by rounding each number to the nearest 10: ______
- Estimate 29 − 82 by rounding each number to the nearest 10: ______
- Estimate 21 − 39 by rounding each number to the nearest 10: ______
- Estimate 21 + 61 by rounding each number to the nearest 10: ______
- Estimate 82 + 30 by rounding each number to the nearest 10: ______
- Estimate 21 + 83 by rounding each number to the nearest 10: ______
- Estimate 63 + 25 by rounding each number to the nearest 10: ______
- Estimate 70 − 74 by rounding each number to the nearest 10: ______
- Estimate 47 − 47 by rounding each number to the nearest 10: ______
- Estimate 54 + 76 by rounding each number to the nearest 10: ______
- Estimate 71 − 25 by rounding each number to the nearest 10: ______