Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 + 73 by rounding each number to the nearest 10: ______
- Estimate 80 + 23 by rounding each number to the nearest 10: ______
- Estimate 84 + 50 by rounding each number to the nearest 10: ______
- Estimate 27 − 60 by rounding each number to the nearest 10: ______
- Estimate 31 + 43 by rounding each number to the nearest 10: ______
- Estimate 32 − 88 by rounding each number to the nearest 10: ______
- Estimate 25 − 68 by rounding each number to the nearest 10: ______
- Estimate 57 − 77 by rounding each number to the nearest 10: ______
- Estimate 88 − 53 by rounding each number to the nearest 10: ______
- Estimate 47 + 26 by rounding each number to the nearest 10: ______
- Estimate 70 + 23 by rounding each number to the nearest 10: ______
- Estimate 86 + 80 by rounding each number to the nearest 10: ______
- Estimate 63 + 28 by rounding each number to the nearest 10: ______
- Estimate 61 − 40 by rounding each number to the nearest 10: ______
- Estimate 75 − 79 by rounding each number to the nearest 10: ______
- Estimate 27 − 70 by rounding each number to the nearest 10: ______
- Estimate 66 − 57 by rounding each number to the nearest 10: ______
- Estimate 46 + 83 by rounding each number to the nearest 10: ______
- Estimate 21 + 25 by rounding each number to the nearest 10: ______
- Estimate 79 − 47 by rounding each number to the nearest 10: ______