Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 30 + 70 by rounding each number to the nearest 10: ______
- Estimate 21 − 42 by rounding each number to the nearest 10: ______
- Estimate 69 + 39 by rounding each number to the nearest 10: ______
- Estimate 58 − 26 by rounding each number to the nearest 10: ______
- Estimate 43 − 88 by rounding each number to the nearest 10: ______
- Estimate 63 + 30 by rounding each number to the nearest 10: ______
- Estimate 51 − 39 by rounding each number to the nearest 10: ______
- Estimate 79 − 22 by rounding each number to the nearest 10: ______
- Estimate 67 − 41 by rounding each number to the nearest 10: ______
- Estimate 52 + 29 by rounding each number to the nearest 10: ______
- Estimate 49 + 81 by rounding each number to the nearest 10: ______
- Estimate 53 − 68 by rounding each number to the nearest 10: ______
- Estimate 49 + 26 by rounding each number to the nearest 10: ______
- Estimate 86 + 76 by rounding each number to the nearest 10: ______
- Estimate 68 − 69 by rounding each number to the nearest 10: ______
- Estimate 49 − 30 by rounding each number to the nearest 10: ______
- Estimate 82 + 29 by rounding each number to the nearest 10: ______
- Estimate 40 + 82 by rounding each number to the nearest 10: ______
- Estimate 86 − 68 by rounding each number to the nearest 10: ______
- Estimate 66 − 57 by rounding each number to the nearest 10: ______