Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 − 82 by rounding each number to the nearest 10: ______
- Estimate 82 − 78 by rounding each number to the nearest 10: ______
- Estimate 67 + 31 by rounding each number to the nearest 10: ______
- Estimate 57 + 86 by rounding each number to the nearest 10: ______
- Estimate 87 − 30 by rounding each number to the nearest 10: ______
- Estimate 62 − 53 by rounding each number to the nearest 10: ______
- Estimate 55 + 70 by rounding each number to the nearest 10: ______
- Estimate 27 − 33 by rounding each number to the nearest 10: ______
- Estimate 22 + 86 by rounding each number to the nearest 10: ______
- Estimate 73 − 36 by rounding each number to the nearest 10: ______
- Estimate 60 − 34 by rounding each number to the nearest 10: ______
- Estimate 58 − 33 by rounding each number to the nearest 10: ______
- Estimate 72 + 89 by rounding each number to the nearest 10: ______
- Estimate 75 − 51 by rounding each number to the nearest 10: ______
- Estimate 62 − 68 by rounding each number to the nearest 10: ______
- Estimate 58 + 71 by rounding each number to the nearest 10: ______
- Estimate 21 + 69 by rounding each number to the nearest 10: ______
- Estimate 41 + 31 by rounding each number to the nearest 10: ______
- Estimate 32 − 81 by rounding each number to the nearest 10: ______
- Estimate 60 + 25 by rounding each number to the nearest 10: ______