Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 85 + 48 by rounding each number to the nearest 10: ______
- Estimate 38 − 29 by rounding each number to the nearest 10: ______
- Estimate 35 + 44 by rounding each number to the nearest 10: ______
- Estimate 57 + 43 by rounding each number to the nearest 10: ______
- Estimate 86 − 77 by rounding each number to the nearest 10: ______
- Estimate 68 − 74 by rounding each number to the nearest 10: ______
- Estimate 28 + 86 by rounding each number to the nearest 10: ______
- Estimate 25 − 24 by rounding each number to the nearest 10: ______
- Estimate 74 + 42 by rounding each number to the nearest 10: ______
- Estimate 63 − 37 by rounding each number to the nearest 10: ______
- Estimate 50 − 85 by rounding each number to the nearest 10: ______
- Estimate 83 − 49 by rounding each number to the nearest 10: ______
- Estimate 65 + 31 by rounding each number to the nearest 10: ______
- Estimate 75 + 31 by rounding each number to the nearest 10: ______
- Estimate 33 + 52 by rounding each number to the nearest 10: ______
- Estimate 65 − 47 by rounding each number to the nearest 10: ______
- Estimate 31 + 27 by rounding each number to the nearest 10: ______
- Estimate 85 + 63 by rounding each number to the nearest 10: ______
- Estimate 60 − 33 by rounding each number to the nearest 10: ______
- Estimate 78 + 85 by rounding each number to the nearest 10: ______