Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 + 47 by rounding each number to the nearest 10: ______
- Estimate 25 − 85 by rounding each number to the nearest 10: ______
- Estimate 38 + 52 by rounding each number to the nearest 10: ______
- Estimate 70 − 64 by rounding each number to the nearest 10: ______
- Estimate 80 + 64 by rounding each number to the nearest 10: ______
- Estimate 37 + 66 by rounding each number to the nearest 10: ______
- Estimate 71 + 21 by rounding each number to the nearest 10: ______
- Estimate 71 − 77 by rounding each number to the nearest 10: ______
- Estimate 42 − 58 by rounding each number to the nearest 10: ______
- Estimate 75 + 65 by rounding each number to the nearest 10: ______
- Estimate 65 − 28 by rounding each number to the nearest 10: ______
- Estimate 74 − 86 by rounding each number to the nearest 10: ______
- Estimate 41 − 48 by rounding each number to the nearest 10: ______
- Estimate 30 + 67 by rounding each number to the nearest 10: ______
- Estimate 61 − 86 by rounding each number to the nearest 10: ______
- Estimate 68 − 26 by rounding each number to the nearest 10: ______
- Estimate 57 − 46 by rounding each number to the nearest 10: ______
- Estimate 86 − 47 by rounding each number to the nearest 10: ______
- Estimate 58 + 21 by rounding each number to the nearest 10: ______
- Estimate 86 − 31 by rounding each number to the nearest 10: ______