Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 63 by rounding each number to the nearest 10: ______
- Estimate 86 − 70 by rounding each number to the nearest 10: ______
- Estimate 75 − 50 by rounding each number to the nearest 10: ______
- Estimate 66 + 40 by rounding each number to the nearest 10: ______
- Estimate 30 − 64 by rounding each number to the nearest 10: ______
- Estimate 73 − 57 by rounding each number to the nearest 10: ______
- Estimate 39 + 82 by rounding each number to the nearest 10: ______
- Estimate 39 − 50 by rounding each number to the nearest 10: ______
- Estimate 45 + 83 by rounding each number to the nearest 10: ______
- Estimate 77 + 56 by rounding each number to the nearest 10: ______
- Estimate 88 − 85 by rounding each number to the nearest 10: ______
- Estimate 46 − 51 by rounding each number to the nearest 10: ______
- Estimate 25 + 28 by rounding each number to the nearest 10: ______
- Estimate 45 − 42 by rounding each number to the nearest 10: ______
- Estimate 70 + 46 by rounding each number to the nearest 10: ______
- Estimate 75 + 32 by rounding each number to the nearest 10: ______
- Estimate 47 + 47 by rounding each number to the nearest 10: ______
- Estimate 33 + 80 by rounding each number to the nearest 10: ______
- Estimate 23 − 70 by rounding each number to the nearest 10: ______
- Estimate 83 − 23 by rounding each number to the nearest 10: ______