Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 − 64 by rounding each number to the nearest 10: ______
- Estimate 32 − 82 by rounding each number to the nearest 10: ______
- Estimate 40 + 75 by rounding each number to the nearest 10: ______
- Estimate 57 + 33 by rounding each number to the nearest 10: ______
- Estimate 53 + 76 by rounding each number to the nearest 10: ______
- Estimate 25 − 54 by rounding each number to the nearest 10: ______
- Estimate 33 + 56 by rounding each number to the nearest 10: ______
- Estimate 49 − 61 by rounding each number to the nearest 10: ______
- Estimate 43 + 86 by rounding each number to the nearest 10: ______
- Estimate 21 − 21 by rounding each number to the nearest 10: ______
- Estimate 36 + 73 by rounding each number to the nearest 10: ______
- Estimate 45 + 30 by rounding each number to the nearest 10: ______
- Estimate 49 + 86 by rounding each number to the nearest 10: ______
- Estimate 33 − 75 by rounding each number to the nearest 10: ______
- Estimate 32 − 24 by rounding each number to the nearest 10: ______
- Estimate 40 − 34 by rounding each number to the nearest 10: ______
- Estimate 36 + 78 by rounding each number to the nearest 10: ______
- Estimate 62 − 57 by rounding each number to the nearest 10: ______
- Estimate 23 + 24 by rounding each number to the nearest 10: ______
- Estimate 29 − 32 by rounding each number to the nearest 10: ______