Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 32 − 55 by rounding each number to the nearest 10: ______
- Estimate 67 − 30 by rounding each number to the nearest 10: ______
- Estimate 65 + 71 by rounding each number to the nearest 10: ______
- Estimate 87 − 82 by rounding each number to the nearest 10: ______
- Estimate 21 − 22 by rounding each number to the nearest 10: ______
- Estimate 79 + 83 by rounding each number to the nearest 10: ______
- Estimate 53 − 33 by rounding each number to the nearest 10: ______
- Estimate 89 − 76 by rounding each number to the nearest 10: ______
- Estimate 74 + 73 by rounding each number to the nearest 10: ______
- Estimate 74 + 30 by rounding each number to the nearest 10: ______
- Estimate 86 + 68 by rounding each number to the nearest 10: ______
- Estimate 86 − 32 by rounding each number to the nearest 10: ______
- Estimate 47 − 86 by rounding each number to the nearest 10: ______
- Estimate 31 − 55 by rounding each number to the nearest 10: ______
- Estimate 86 + 73 by rounding each number to the nearest 10: ______
- Estimate 49 − 32 by rounding each number to the nearest 10: ______
- Estimate 89 + 54 by rounding each number to the nearest 10: ______
- Estimate 47 − 58 by rounding each number to the nearest 10: ______
- Estimate 77 − 44 by rounding each number to the nearest 10: ______
- Estimate 36 − 71 by rounding each number to the nearest 10: ______