Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 46 by rounding each number to the nearest 10: ______
- Estimate 23 − 43 by rounding each number to the nearest 10: ______
- Estimate 26 − 81 by rounding each number to the nearest 10: ______
- Estimate 21 − 36 by rounding each number to the nearest 10: ______
- Estimate 48 − 89 by rounding each number to the nearest 10: ______
- Estimate 54 + 82 by rounding each number to the nearest 10: ______
- Estimate 34 − 22 by rounding each number to the nearest 10: ______
- Estimate 78 + 46 by rounding each number to the nearest 10: ______
- Estimate 78 − 42 by rounding each number to the nearest 10: ______
- Estimate 21 − 33 by rounding each number to the nearest 10: ______
- Estimate 74 − 27 by rounding each number to the nearest 10: ______
- Estimate 57 + 71 by rounding each number to the nearest 10: ______
- Estimate 66 + 50 by rounding each number to the nearest 10: ______
- Estimate 89 − 44 by rounding each number to the nearest 10: ______
- Estimate 47 + 44 by rounding each number to the nearest 10: ______
- Estimate 89 + 22 by rounding each number to the nearest 10: ______
- Estimate 43 − 30 by rounding each number to the nearest 10: ______
- Estimate 71 + 22 by rounding each number to the nearest 10: ______
- Estimate 32 + 28 by rounding each number to the nearest 10: ______
- Estimate 69 + 85 by rounding each number to the nearest 10: ______