Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 77 by rounding each number to the nearest 10: ______
- Estimate 84 − 65 by rounding each number to the nearest 10: ______
- Estimate 89 + 32 by rounding each number to the nearest 10: ______
- Estimate 85 + 66 by rounding each number to the nearest 10: ______
- Estimate 27 + 31 by rounding each number to the nearest 10: ______
- Estimate 83 + 84 by rounding each number to the nearest 10: ______
- Estimate 74 + 41 by rounding each number to the nearest 10: ______
- Estimate 53 − 61 by rounding each number to the nearest 10: ______
- Estimate 61 + 76 by rounding each number to the nearest 10: ______
- Estimate 47 + 44 by rounding each number to the nearest 10: ______
- Estimate 67 + 39 by rounding each number to the nearest 10: ______
- Estimate 40 − 49 by rounding each number to the nearest 10: ______
- Estimate 27 − 83 by rounding each number to the nearest 10: ______
- Estimate 77 − 62 by rounding each number to the nearest 10: ______
- Estimate 28 − 32 by rounding each number to the nearest 10: ______
- Estimate 56 − 82 by rounding each number to the nearest 10: ______
- Estimate 67 − 72 by rounding each number to the nearest 10: ______
- Estimate 22 − 45 by rounding each number to the nearest 10: ______
- Estimate 38 − 33 by rounding each number to the nearest 10: ______
- Estimate 23 − 32 by rounding each number to the nearest 10: ______