Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 + 57 by rounding each number to the nearest 10: ______
- Estimate 43 − 40 by rounding each number to the nearest 10: ______
- Estimate 79 − 68 by rounding each number to the nearest 10: ______
- Estimate 38 + 66 by rounding each number to the nearest 10: ______
- Estimate 79 + 78 by rounding each number to the nearest 10: ______
- Estimate 63 + 75 by rounding each number to the nearest 10: ______
- Estimate 80 + 85 by rounding each number to the nearest 10: ______
- Estimate 44 − 66 by rounding each number to the nearest 10: ______
- Estimate 39 − 52 by rounding each number to the nearest 10: ______
- Estimate 59 + 58 by rounding each number to the nearest 10: ______
- Estimate 53 + 82 by rounding each number to the nearest 10: ______
- Estimate 57 + 31 by rounding each number to the nearest 10: ______
- Estimate 61 + 34 by rounding each number to the nearest 10: ______
- Estimate 28 + 32 by rounding each number to the nearest 10: ______
- Estimate 46 − 81 by rounding each number to the nearest 10: ______
- Estimate 67 + 76 by rounding each number to the nearest 10: ______
- Estimate 28 + 40 by rounding each number to the nearest 10: ______
- Estimate 89 − 87 by rounding each number to the nearest 10: ______
- Estimate 32 + 30 by rounding each number to the nearest 10: ______
- Estimate 83 + 35 by rounding each number to the nearest 10: ______