Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 24 − 79 by rounding each number to the nearest 10: ______
- Estimate 21 − 49 by rounding each number to the nearest 10: ______
- Estimate 37 − 55 by rounding each number to the nearest 10: ______
- Estimate 25 − 36 by rounding each number to the nearest 10: ______
- Estimate 23 + 71 by rounding each number to the nearest 10: ______
- Estimate 47 + 81 by rounding each number to the nearest 10: ______
- Estimate 40 − 61 by rounding each number to the nearest 10: ______
- Estimate 33 + 77 by rounding each number to the nearest 10: ______
- Estimate 31 + 60 by rounding each number to the nearest 10: ______
- Estimate 83 + 40 by rounding each number to the nearest 10: ______
- Estimate 52 − 51 by rounding each number to the nearest 10: ______
- Estimate 82 − 31 by rounding each number to the nearest 10: ______
- Estimate 72 + 74 by rounding each number to the nearest 10: ______
- Estimate 67 + 83 by rounding each number to the nearest 10: ______
- Estimate 85 + 33 by rounding each number to the nearest 10: ______
- Estimate 78 + 22 by rounding each number to the nearest 10: ______
- Estimate 21 + 73 by rounding each number to the nearest 10: ______
- Estimate 26 − 47 by rounding each number to the nearest 10: ______
- Estimate 53 − 65 by rounding each number to the nearest 10: ______
- Estimate 75 + 22 by rounding each number to the nearest 10: ______