Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 − 38 by rounding each number to the nearest 10: ______
- Estimate 23 − 84 by rounding each number to the nearest 10: ______
- Estimate 72 − 75 by rounding each number to the nearest 10: ______
- Estimate 39 + 46 by rounding each number to the nearest 10: ______
- Estimate 54 − 28 by rounding each number to the nearest 10: ______
- Estimate 26 − 32 by rounding each number to the nearest 10: ______
- Estimate 60 − 64 by rounding each number to the nearest 10: ______
- Estimate 41 + 35 by rounding each number to the nearest 10: ______
- Estimate 73 + 85 by rounding each number to the nearest 10: ______
- Estimate 75 + 72 by rounding each number to the nearest 10: ______
- Estimate 24 + 71 by rounding each number to the nearest 10: ______
- Estimate 86 + 80 by rounding each number to the nearest 10: ______
- Estimate 72 − 67 by rounding each number to the nearest 10: ______
- Estimate 77 − 45 by rounding each number to the nearest 10: ______
- Estimate 35 + 35 by rounding each number to the nearest 10: ______
- Estimate 66 − 82 by rounding each number to the nearest 10: ______
- Estimate 86 + 51 by rounding each number to the nearest 10: ______
- Estimate 42 + 32 by rounding each number to the nearest 10: ______
- Estimate 36 − 38 by rounding each number to the nearest 10: ______
- Estimate 50 − 54 by rounding each number to the nearest 10: ______