Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 − 50 by rounding each number to the nearest 10: ______
- Estimate 86 + 47 by rounding each number to the nearest 10: ______
- Estimate 82 + 75 by rounding each number to the nearest 10: ______
- Estimate 65 + 81 by rounding each number to the nearest 10: ______
- Estimate 47 + 30 by rounding each number to the nearest 10: ______
- Estimate 72 + 21 by rounding each number to the nearest 10: ______
- Estimate 77 − 83 by rounding each number to the nearest 10: ______
- Estimate 43 + 75 by rounding each number to the nearest 10: ______
- Estimate 61 − 70 by rounding each number to the nearest 10: ______
- Estimate 63 + 81 by rounding each number to the nearest 10: ______
- Estimate 58 + 76 by rounding each number to the nearest 10: ______
- Estimate 67 − 68 by rounding each number to the nearest 10: ______
- Estimate 54 − 43 by rounding each number to the nearest 10: ______
- Estimate 29 + 66 by rounding each number to the nearest 10: ______
- Estimate 46 + 77 by rounding each number to the nearest 10: ______
- Estimate 28 − 54 by rounding each number to the nearest 10: ______
- Estimate 30 + 65 by rounding each number to the nearest 10: ______
- Estimate 40 + 67 by rounding each number to the nearest 10: ______
- Estimate 34 − 38 by rounding each number to the nearest 10: ______
- Estimate 57 − 85 by rounding each number to the nearest 10: ______