Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 29 − 82 by rounding each number to the nearest 10: ______
- Estimate 22 − 25 by rounding each number to the nearest 10: ______
- Estimate 70 + 27 by rounding each number to the nearest 10: ______
- Estimate 70 + 30 by rounding each number to the nearest 10: ______
- Estimate 58 + 39 by rounding each number to the nearest 10: ______
- Estimate 36 − 78 by rounding each number to the nearest 10: ______
- Estimate 86 − 56 by rounding each number to the nearest 10: ______
- Estimate 79 + 51 by rounding each number to the nearest 10: ______
- Estimate 39 + 75 by rounding each number to the nearest 10: ______
- Estimate 88 − 21 by rounding each number to the nearest 10: ______
- Estimate 67 + 69 by rounding each number to the nearest 10: ______
- Estimate 40 + 27 by rounding each number to the nearest 10: ______
- Estimate 40 − 36 by rounding each number to the nearest 10: ______
- Estimate 74 + 26 by rounding each number to the nearest 10: ______
- Estimate 64 − 68 by rounding each number to the nearest 10: ______
- Estimate 57 + 23 by rounding each number to the nearest 10: ______
- Estimate 50 − 85 by rounding each number to the nearest 10: ______
- Estimate 88 + 30 by rounding each number to the nearest 10: ______
- Estimate 30 − 54 by rounding each number to the nearest 10: ______
- Estimate 67 − 88 by rounding each number to the nearest 10: ______