Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 − 45 by rounding each number to the nearest 10: ______
- Estimate 85 − 51 by rounding each number to the nearest 10: ______
- Estimate 51 − 41 by rounding each number to the nearest 10: ______
- Estimate 60 + 86 by rounding each number to the nearest 10: ______
- Estimate 79 + 22 by rounding each number to the nearest 10: ______
- Estimate 68 + 85 by rounding each number to the nearest 10: ______
- Estimate 26 + 31 by rounding each number to the nearest 10: ______
- Estimate 86 − 36 by rounding each number to the nearest 10: ______
- Estimate 40 − 51 by rounding each number to the nearest 10: ______
- Estimate 58 − 89 by rounding each number to the nearest 10: ______
- Estimate 42 − 74 by rounding each number to the nearest 10: ______
- Estimate 76 + 50 by rounding each number to the nearest 10: ______
- Estimate 34 − 22 by rounding each number to the nearest 10: ______
- Estimate 23 + 54 by rounding each number to the nearest 10: ______
- Estimate 21 + 29 by rounding each number to the nearest 10: ______
- Estimate 79 + 66 by rounding each number to the nearest 10: ______
- Estimate 82 − 54 by rounding each number to the nearest 10: ______
- Estimate 88 + 59 by rounding each number to the nearest 10: ______
- Estimate 78 − 80 by rounding each number to the nearest 10: ______
- Estimate 28 − 37 by rounding each number to the nearest 10: ______