Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 40 + 60 by rounding each number to the nearest 10: ______
- Estimate 31 − 85 by rounding each number to the nearest 10: ______
- Estimate 49 − 49 by rounding each number to the nearest 10: ______
- Estimate 48 + 72 by rounding each number to the nearest 10: ______
- Estimate 46 − 33 by rounding each number to the nearest 10: ______
- Estimate 80 + 71 by rounding each number to the nearest 10: ______
- Estimate 28 + 63 by rounding each number to the nearest 10: ______
- Estimate 36 + 83 by rounding each number to the nearest 10: ______
- Estimate 41 − 28 by rounding each number to the nearest 10: ______
- Estimate 82 + 83 by rounding each number to the nearest 10: ______
- Estimate 48 − 73 by rounding each number to the nearest 10: ______
- Estimate 87 + 51 by rounding each number to the nearest 10: ______
- Estimate 42 − 68 by rounding each number to the nearest 10: ______
- Estimate 23 − 64 by rounding each number to the nearest 10: ______
- Estimate 29 + 36 by rounding each number to the nearest 10: ______
- Estimate 60 + 80 by rounding each number to the nearest 10: ______
- Estimate 89 − 47 by rounding each number to the nearest 10: ______
- Estimate 43 + 57 by rounding each number to the nearest 10: ______
- Estimate 23 − 77 by rounding each number to the nearest 10: ______
- Estimate 51 − 29 by rounding each number to the nearest 10: ______