Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 76 − 41 by rounding each number to the nearest 10: ______
- Estimate 45 + 46 by rounding each number to the nearest 10: ______
- Estimate 39 + 86 by rounding each number to the nearest 10: ______
- Estimate 25 − 78 by rounding each number to the nearest 10: ______
- Estimate 26 + 24 by rounding each number to the nearest 10: ______
- Estimate 54 + 67 by rounding each number to the nearest 10: ______
- Estimate 23 − 27 by rounding each number to the nearest 10: ______
- Estimate 40 − 52 by rounding each number to the nearest 10: ______
- Estimate 78 + 21 by rounding each number to the nearest 10: ______
- Estimate 76 − 23 by rounding each number to the nearest 10: ______
- Estimate 40 + 61 by rounding each number to the nearest 10: ______
- Estimate 60 − 40 by rounding each number to the nearest 10: ______
- Estimate 80 + 34 by rounding each number to the nearest 10: ______
- Estimate 58 − 59 by rounding each number to the nearest 10: ______
- Estimate 46 + 74 by rounding each number to the nearest 10: ______
- Estimate 71 + 37 by rounding each number to the nearest 10: ______
- Estimate 62 − 55 by rounding each number to the nearest 10: ______
- Estimate 51 − 56 by rounding each number to the nearest 10: ______
- Estimate 83 − 49 by rounding each number to the nearest 10: ______
- Estimate 26 + 70 by rounding each number to the nearest 10: ______