Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 + 82 by rounding each number to the nearest 10: ______
- Estimate 48 − 50 by rounding each number to the nearest 10: ______
- Estimate 65 − 81 by rounding each number to the nearest 10: ______
- Estimate 39 − 78 by rounding each number to the nearest 10: ______
- Estimate 72 − 25 by rounding each number to the nearest 10: ______
- Estimate 38 + 56 by rounding each number to the nearest 10: ______
- Estimate 23 + 28 by rounding each number to the nearest 10: ______
- Estimate 26 − 48 by rounding each number to the nearest 10: ______
- Estimate 41 + 82 by rounding each number to the nearest 10: ______
- Estimate 50 + 68 by rounding each number to the nearest 10: ______
- Estimate 83 + 77 by rounding each number to the nearest 10: ______
- Estimate 54 + 48 by rounding each number to the nearest 10: ______
- Estimate 52 − 72 by rounding each number to the nearest 10: ______
- Estimate 81 − 80 by rounding each number to the nearest 10: ______
- Estimate 65 + 63 by rounding each number to the nearest 10: ______
- Estimate 59 + 28 by rounding each number to the nearest 10: ______
- Estimate 80 + 49 by rounding each number to the nearest 10: ______
- Estimate 27 − 40 by rounding each number to the nearest 10: ______
- Estimate 61 + 49 by rounding each number to the nearest 10: ______
- Estimate 23 + 25 by rounding each number to the nearest 10: ______