Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 47 by rounding each number to the nearest 10: ______
- Estimate 39 − 31 by rounding each number to the nearest 10: ______
- Estimate 82 − 85 by rounding each number to the nearest 10: ______
- Estimate 40 + 35 by rounding each number to the nearest 10: ______
- Estimate 63 − 21 by rounding each number to the nearest 10: ______
- Estimate 45 + 83 by rounding each number to the nearest 10: ______
- Estimate 66 − 37 by rounding each number to the nearest 10: ______
- Estimate 54 − 32 by rounding each number to the nearest 10: ______
- Estimate 34 + 58 by rounding each number to the nearest 10: ______
- Estimate 78 − 82 by rounding each number to the nearest 10: ______
- Estimate 77 − 73 by rounding each number to the nearest 10: ______
- Estimate 87 − 65 by rounding each number to the nearest 10: ______
- Estimate 83 − 30 by rounding each number to the nearest 10: ______
- Estimate 42 + 71 by rounding each number to the nearest 10: ______
- Estimate 81 + 70 by rounding each number to the nearest 10: ______
- Estimate 85 + 53 by rounding each number to the nearest 10: ______
- Estimate 32 + 78 by rounding each number to the nearest 10: ______
- Estimate 70 − 64 by rounding each number to the nearest 10: ______
- Estimate 44 − 67 by rounding each number to the nearest 10: ______
- Estimate 51 + 39 by rounding each number to the nearest 10: ______