Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 − 37 by rounding each number to the nearest 10: ______
- Estimate 83 + 42 by rounding each number to the nearest 10: ______
- Estimate 57 + 56 by rounding each number to the nearest 10: ______
- Estimate 57 − 28 by rounding each number to the nearest 10: ______
- Estimate 85 + 49 by rounding each number to the nearest 10: ______
- Estimate 43 + 44 by rounding each number to the nearest 10: ______
- Estimate 42 − 62 by rounding each number to the nearest 10: ______
- Estimate 33 + 28 by rounding each number to the nearest 10: ______
- Estimate 57 + 77 by rounding each number to the nearest 10: ______
- Estimate 57 − 82 by rounding each number to the nearest 10: ______
- Estimate 32 + 27 by rounding each number to the nearest 10: ______
- Estimate 43 − 25 by rounding each number to the nearest 10: ______
- Estimate 36 − 40 by rounding each number to the nearest 10: ______
- Estimate 25 + 35 by rounding each number to the nearest 10: ______
- Estimate 35 − 60 by rounding each number to the nearest 10: ______
- Estimate 40 − 37 by rounding each number to the nearest 10: ______
- Estimate 30 + 24 by rounding each number to the nearest 10: ______
- Estimate 36 + 44 by rounding each number to the nearest 10: ______
- Estimate 47 + 49 by rounding each number to the nearest 10: ______
- Estimate 75 − 41 by rounding each number to the nearest 10: ______