Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 25 + 55 by rounding each number to the nearest 10: ______
- Estimate 29 − 47 by rounding each number to the nearest 10: ______
- Estimate 85 + 31 by rounding each number to the nearest 10: ______
- Estimate 39 − 48 by rounding each number to the nearest 10: ______
- Estimate 59 + 78 by rounding each number to the nearest 10: ______
- Estimate 76 + 60 by rounding each number to the nearest 10: ______
- Estimate 21 − 26 by rounding each number to the nearest 10: ______
- Estimate 25 − 30 by rounding each number to the nearest 10: ______
- Estimate 26 + 49 by rounding each number to the nearest 10: ______
- Estimate 48 − 36 by rounding each number to the nearest 10: ______
- Estimate 80 + 49 by rounding each number to the nearest 10: ______
- Estimate 81 − 82 by rounding each number to the nearest 10: ______
- Estimate 82 + 69 by rounding each number to the nearest 10: ______
- Estimate 65 + 37 by rounding each number to the nearest 10: ______
- Estimate 57 − 30 by rounding each number to the nearest 10: ______
- Estimate 51 + 56 by rounding each number to the nearest 10: ______
- Estimate 23 + 83 by rounding each number to the nearest 10: ______
- Estimate 32 + 62 by rounding each number to the nearest 10: ______
- Estimate 47 + 21 by rounding each number to the nearest 10: ______
- Estimate 72 − 79 by rounding each number to the nearest 10: ______