Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 56 + 24 by rounding each number to the nearest 10: ______
- Estimate 29 + 76 by rounding each number to the nearest 10: ______
- Estimate 40 + 89 by rounding each number to the nearest 10: ______
- Estimate 52 − 52 by rounding each number to the nearest 10: ______
- Estimate 31 + 21 by rounding each number to the nearest 10: ______
- Estimate 26 + 42 by rounding each number to the nearest 10: ______
- Estimate 82 + 63 by rounding each number to the nearest 10: ______
- Estimate 51 − 55 by rounding each number to the nearest 10: ______
- Estimate 63 + 38 by rounding each number to the nearest 10: ______
- Estimate 66 + 40 by rounding each number to the nearest 10: ______
- Estimate 58 + 77 by rounding each number to the nearest 10: ______
- Estimate 43 − 63 by rounding each number to the nearest 10: ______
- Estimate 33 + 82 by rounding each number to the nearest 10: ______
- Estimate 41 + 75 by rounding each number to the nearest 10: ______
- Estimate 30 + 21 by rounding each number to the nearest 10: ______
- Estimate 50 + 83 by rounding each number to the nearest 10: ______
- Estimate 67 + 28 by rounding each number to the nearest 10: ______
- Estimate 83 + 54 by rounding each number to the nearest 10: ______
- Estimate 76 − 33 by rounding each number to the nearest 10: ______
- Estimate 41 − 78 by rounding each number to the nearest 10: ______