Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 + 44 by rounding each number to the nearest 10: ______
- Estimate 37 + 34 by rounding each number to the nearest 10: ______
- Estimate 36 − 71 by rounding each number to the nearest 10: ______
- Estimate 71 + 81 by rounding each number to the nearest 10: ______
- Estimate 83 + 49 by rounding each number to the nearest 10: ______
- Estimate 88 + 46 by rounding each number to the nearest 10: ______
- Estimate 41 + 59 by rounding each number to the nearest 10: ______
- Estimate 82 + 22 by rounding each number to the nearest 10: ______
- Estimate 55 − 60 by rounding each number to the nearest 10: ______
- Estimate 50 − 59 by rounding each number to the nearest 10: ______
- Estimate 39 + 88 by rounding each number to the nearest 10: ______
- Estimate 44 + 85 by rounding each number to the nearest 10: ______
- Estimate 77 − 52 by rounding each number to the nearest 10: ______
- Estimate 23 − 61 by rounding each number to the nearest 10: ______
- Estimate 66 + 41 by rounding each number to the nearest 10: ______
- Estimate 86 + 72 by rounding each number to the nearest 10: ______
- Estimate 30 − 82 by rounding each number to the nearest 10: ______
- Estimate 52 + 74 by rounding each number to the nearest 10: ______
- Estimate 29 − 34 by rounding each number to the nearest 10: ______
- Estimate 67 − 49 by rounding each number to the nearest 10: ______