Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 + 25 by rounding each number to the nearest 10: ______
- Estimate 21 − 49 by rounding each number to the nearest 10: ______
- Estimate 49 + 78 by rounding each number to the nearest 10: ______
- Estimate 73 − 31 by rounding each number to the nearest 10: ______
- Estimate 82 + 81 by rounding each number to the nearest 10: ______
- Estimate 53 + 44 by rounding each number to the nearest 10: ______
- Estimate 60 + 73 by rounding each number to the nearest 10: ______
- Estimate 87 + 77 by rounding each number to the nearest 10: ______
- Estimate 22 − 71 by rounding each number to the nearest 10: ______
- Estimate 38 − 24 by rounding each number to the nearest 10: ______
- Estimate 46 + 69 by rounding each number to the nearest 10: ______
- Estimate 42 − 77 by rounding each number to the nearest 10: ______
- Estimate 52 − 23 by rounding each number to the nearest 10: ______
- Estimate 46 − 33 by rounding each number to the nearest 10: ______
- Estimate 36 − 83 by rounding each number to the nearest 10: ______
- Estimate 79 + 77 by rounding each number to the nearest 10: ______
- Estimate 65 − 49 by rounding each number to the nearest 10: ______
- Estimate 76 + 46 by rounding each number to the nearest 10: ______
- Estimate 54 − 88 by rounding each number to the nearest 10: ______
- Estimate 23 − 35 by rounding each number to the nearest 10: ______