Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 + 35 by rounding each number to the nearest 10: ______
- Estimate 29 − 45 by rounding each number to the nearest 10: ______
- Estimate 32 + 81 by rounding each number to the nearest 10: ______
- Estimate 21 + 22 by rounding each number to the nearest 10: ______
- Estimate 40 − 68 by rounding each number to the nearest 10: ______
- Estimate 74 + 81 by rounding each number to the nearest 10: ______
- Estimate 82 + 52 by rounding each number to the nearest 10: ______
- Estimate 53 − 47 by rounding each number to the nearest 10: ______
- Estimate 88 + 54 by rounding each number to the nearest 10: ______
- Estimate 43 − 52 by rounding each number to the nearest 10: ______
- Estimate 46 − 82 by rounding each number to the nearest 10: ______
- Estimate 86 + 47 by rounding each number to the nearest 10: ______
- Estimate 59 + 69 by rounding each number to the nearest 10: ______
- Estimate 81 + 74 by rounding each number to the nearest 10: ______
- Estimate 31 − 60 by rounding each number to the nearest 10: ______
- Estimate 60 + 88 by rounding each number to the nearest 10: ______
- Estimate 22 − 27 by rounding each number to the nearest 10: ______
- Estimate 61 + 82 by rounding each number to the nearest 10: ______
- Estimate 67 + 48 by rounding each number to the nearest 10: ______
- Estimate 23 − 40 by rounding each number to the nearest 10: ______