Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 32 − 72 by rounding each number to the nearest 10: ______
- Estimate 22 + 40 by rounding each number to the nearest 10: ______
- Estimate 24 − 38 by rounding each number to the nearest 10: ______
- Estimate 77 − 45 by rounding each number to the nearest 10: ______
- Estimate 64 + 87 by rounding each number to the nearest 10: ______
- Estimate 77 − 66 by rounding each number to the nearest 10: ______
- Estimate 23 − 52 by rounding each number to the nearest 10: ______
- Estimate 63 + 77 by rounding each number to the nearest 10: ______
- Estimate 81 + 49 by rounding each number to the nearest 10: ______
- Estimate 57 + 84 by rounding each number to the nearest 10: ______
- Estimate 81 + 57 by rounding each number to the nearest 10: ______
- Estimate 40 − 60 by rounding each number to the nearest 10: ______
- Estimate 81 + 36 by rounding each number to the nearest 10: ______
- Estimate 38 + 55 by rounding each number to the nearest 10: ______
- Estimate 85 + 46 by rounding each number to the nearest 10: ______
- Estimate 73 − 85 by rounding each number to the nearest 10: ______
- Estimate 68 − 59 by rounding each number to the nearest 10: ______
- Estimate 62 + 67 by rounding each number to the nearest 10: ______
- Estimate 45 + 78 by rounding each number to the nearest 10: ______
- Estimate 24 + 78 by rounding each number to the nearest 10: ______