Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 26 + 74 by rounding each number to the nearest 10: ______
- Estimate 42 + 37 by rounding each number to the nearest 10: ______
- Estimate 28 − 30 by rounding each number to the nearest 10: ______
- Estimate 82 + 40 by rounding each number to the nearest 10: ______
- Estimate 39 + 85 by rounding each number to the nearest 10: ______
- Estimate 29 + 68 by rounding each number to the nearest 10: ______
- Estimate 66 + 36 by rounding each number to the nearest 10: ______
- Estimate 26 − 34 by rounding each number to the nearest 10: ______
- Estimate 81 + 65 by rounding each number to the nearest 10: ______
- Estimate 64 + 66 by rounding each number to the nearest 10: ______
- Estimate 39 − 73 by rounding each number to the nearest 10: ______
- Estimate 61 + 81 by rounding each number to the nearest 10: ______
- Estimate 73 − 26 by rounding each number to the nearest 10: ______
- Estimate 85 + 30 by rounding each number to the nearest 10: ______
- Estimate 64 + 56 by rounding each number to the nearest 10: ______
- Estimate 29 + 35 by rounding each number to the nearest 10: ______
- Estimate 83 + 68 by rounding each number to the nearest 10: ______
- Estimate 36 − 68 by rounding each number to the nearest 10: ______
- Estimate 89 − 89 by rounding each number to the nearest 10: ______
- Estimate 47 − 39 by rounding each number to the nearest 10: ______