Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 − 83 by rounding each number to the nearest 10: ______
- Estimate 63 + 51 by rounding each number to the nearest 10: ______
- Estimate 25 − 75 by rounding each number to the nearest 10: ______
- Estimate 45 − 56 by rounding each number to the nearest 10: ______
- Estimate 43 + 30 by rounding each number to the nearest 10: ______
- Estimate 42 + 63 by rounding each number to the nearest 10: ______
- Estimate 49 − 36 by rounding each number to the nearest 10: ______
- Estimate 30 − 21 by rounding each number to the nearest 10: ______
- Estimate 77 + 86 by rounding each number to the nearest 10: ______
- Estimate 85 − 71 by rounding each number to the nearest 10: ______
- Estimate 67 − 24 by rounding each number to the nearest 10: ______
- Estimate 60 + 85 by rounding each number to the nearest 10: ______
- Estimate 47 − 84 by rounding each number to the nearest 10: ______
- Estimate 84 + 53 by rounding each number to the nearest 10: ______
- Estimate 30 − 65 by rounding each number to the nearest 10: ______
- Estimate 63 + 26 by rounding each number to the nearest 10: ______
- Estimate 77 + 69 by rounding each number to the nearest 10: ______
- Estimate 45 − 62 by rounding each number to the nearest 10: ______
- Estimate 42 − 66 by rounding each number to the nearest 10: ______
- Estimate 77 + 88 by rounding each number to the nearest 10: ______