Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 − 81 by rounding each number to the nearest 10: ______
- Estimate 24 + 42 by rounding each number to the nearest 10: ______
- Estimate 23 + 50 by rounding each number to the nearest 10: ______
- Estimate 48 − 31 by rounding each number to the nearest 10: ______
- Estimate 41 + 82 by rounding each number to the nearest 10: ______
- Estimate 51 + 76 by rounding each number to the nearest 10: ______
- Estimate 65 + 81 by rounding each number to the nearest 10: ______
- Estimate 61 + 57 by rounding each number to the nearest 10: ______
- Estimate 68 − 22 by rounding each number to the nearest 10: ______
- Estimate 28 + 83 by rounding each number to the nearest 10: ______
- Estimate 77 + 74 by rounding each number to the nearest 10: ______
- Estimate 34 + 47 by rounding each number to the nearest 10: ______
- Estimate 24 − 87 by rounding each number to the nearest 10: ______
- Estimate 47 − 76 by rounding each number to the nearest 10: ______
- Estimate 68 + 31 by rounding each number to the nearest 10: ______
- Estimate 88 + 46 by rounding each number to the nearest 10: ______
- Estimate 70 − 40 by rounding each number to the nearest 10: ______
- Estimate 33 − 74 by rounding each number to the nearest 10: ______
- Estimate 74 + 87 by rounding each number to the nearest 10: ______
- Estimate 62 + 75 by rounding each number to the nearest 10: ______