Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 − 60 by rounding each number to the nearest 10: ______
- Estimate 66 + 69 by rounding each number to the nearest 10: ______
- Estimate 30 − 31 by rounding each number to the nearest 10: ______
- Estimate 68 − 37 by rounding each number to the nearest 10: ______
- Estimate 70 + 57 by rounding each number to the nearest 10: ______
- Estimate 50 + 23 by rounding each number to the nearest 10: ______
- Estimate 86 + 76 by rounding each number to the nearest 10: ______
- Estimate 23 − 67 by rounding each number to the nearest 10: ______
- Estimate 85 + 21 by rounding each number to the nearest 10: ______
- Estimate 32 + 74 by rounding each number to the nearest 10: ______
- Estimate 84 − 82 by rounding each number to the nearest 10: ______
- Estimate 87 − 79 by rounding each number to the nearest 10: ______
- Estimate 23 + 67 by rounding each number to the nearest 10: ______
- Estimate 54 − 54 by rounding each number to the nearest 10: ______
- Estimate 30 − 39 by rounding each number to the nearest 10: ______
- Estimate 33 + 28 by rounding each number to the nearest 10: ______
- Estimate 72 − 79 by rounding each number to the nearest 10: ______
- Estimate 74 + 41 by rounding each number to the nearest 10: ______
- Estimate 34 − 52 by rounding each number to the nearest 10: ______
- Estimate 63 + 39 by rounding each number to the nearest 10: ______