Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 26 by rounding each number to the nearest 10: ______
- Estimate 79 + 73 by rounding each number to the nearest 10: ______
- Estimate 40 + 76 by rounding each number to the nearest 10: ______
- Estimate 21 − 56 by rounding each number to the nearest 10: ______
- Estimate 62 − 81 by rounding each number to the nearest 10: ______
- Estimate 79 − 82 by rounding each number to the nearest 10: ______
- Estimate 84 − 66 by rounding each number to the nearest 10: ______
- Estimate 56 + 77 by rounding each number to the nearest 10: ______
- Estimate 55 + 48 by rounding each number to the nearest 10: ______
- Estimate 33 + 33 by rounding each number to the nearest 10: ______
- Estimate 33 − 57 by rounding each number to the nearest 10: ______
- Estimate 78 + 28 by rounding each number to the nearest 10: ______
- Estimate 41 + 70 by rounding each number to the nearest 10: ______
- Estimate 55 + 86 by rounding each number to the nearest 10: ______
- Estimate 70 − 23 by rounding each number to the nearest 10: ______
- Estimate 83 − 82 by rounding each number to the nearest 10: ______
- Estimate 24 + 42 by rounding each number to the nearest 10: ______
- Estimate 67 + 43 by rounding each number to the nearest 10: ______
- Estimate 60 + 43 by rounding each number to the nearest 10: ______
- Estimate 50 − 75 by rounding each number to the nearest 10: ______