Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 74 + 44 by rounding each number to the nearest 10: ______
- Estimate 70 + 85 by rounding each number to the nearest 10: ______
- Estimate 70 − 89 by rounding each number to the nearest 10: ______
- Estimate 53 − 80 by rounding each number to the nearest 10: ______
- Estimate 23 − 74 by rounding each number to the nearest 10: ______
- Estimate 67 + 42 by rounding each number to the nearest 10: ______
- Estimate 27 + 68 by rounding each number to the nearest 10: ______
- Estimate 30 − 74 by rounding each number to the nearest 10: ______
- Estimate 76 + 28 by rounding each number to the nearest 10: ______
- Estimate 24 − 49 by rounding each number to the nearest 10: ______
- Estimate 42 + 88 by rounding each number to the nearest 10: ______
- Estimate 58 + 53 by rounding each number to the nearest 10: ______
- Estimate 81 + 62 by rounding each number to the nearest 10: ______
- Estimate 87 − 85 by rounding each number to the nearest 10: ______
- Estimate 71 − 38 by rounding each number to the nearest 10: ______
- Estimate 51 + 68 by rounding each number to the nearest 10: ______
- Estimate 25 + 41 by rounding each number to the nearest 10: ______
- Estimate 83 + 36 by rounding each number to the nearest 10: ______
- Estimate 21 − 58 by rounding each number to the nearest 10: ______
- Estimate 44 − 33 by rounding each number to the nearest 10: ______