Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 + 46 by rounding each number to the nearest 10: ______
- Estimate 42 + 82 by rounding each number to the nearest 10: ______
- Estimate 59 − 68 by rounding each number to the nearest 10: ______
- Estimate 40 − 47 by rounding each number to the nearest 10: ______
- Estimate 37 − 87 by rounding each number to the nearest 10: ______
- Estimate 57 + 32 by rounding each number to the nearest 10: ______
- Estimate 46 − 31 by rounding each number to the nearest 10: ______
- Estimate 64 − 73 by rounding each number to the nearest 10: ______
- Estimate 30 + 78 by rounding each number to the nearest 10: ______
- Estimate 76 + 26 by rounding each number to the nearest 10: ______
- Estimate 32 − 66 by rounding each number to the nearest 10: ______
- Estimate 83 + 38 by rounding each number to the nearest 10: ______
- Estimate 31 + 67 by rounding each number to the nearest 10: ______
- Estimate 22 + 47 by rounding each number to the nearest 10: ______
- Estimate 77 + 60 by rounding each number to the nearest 10: ______
- Estimate 40 + 71 by rounding each number to the nearest 10: ______
- Estimate 39 − 22 by rounding each number to the nearest 10: ______
- Estimate 85 + 31 by rounding each number to the nearest 10: ______
- Estimate 84 + 62 by rounding each number to the nearest 10: ______
- Estimate 21 − 88 by rounding each number to the nearest 10: ______