Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 29 + 80 by rounding each number to the nearest 10: ______
- Estimate 42 − 29 by rounding each number to the nearest 10: ______
- Estimate 29 − 46 by rounding each number to the nearest 10: ______
- Estimate 57 + 60 by rounding each number to the nearest 10: ______
- Estimate 80 + 33 by rounding each number to the nearest 10: ______
- Estimate 40 + 67 by rounding each number to the nearest 10: ______
- Estimate 80 − 24 by rounding each number to the nearest 10: ______
- Estimate 35 + 21 by rounding each number to the nearest 10: ______
- Estimate 83 + 76 by rounding each number to the nearest 10: ______
- Estimate 80 + 51 by rounding each number to the nearest 10: ______
- Estimate 40 − 81 by rounding each number to the nearest 10: ______
- Estimate 45 + 52 by rounding each number to the nearest 10: ______
- Estimate 80 + 23 by rounding each number to the nearest 10: ______
- Estimate 58 − 64 by rounding each number to the nearest 10: ______
- Estimate 40 − 58 by rounding each number to the nearest 10: ______
- Estimate 77 − 28 by rounding each number to the nearest 10: ______
- Estimate 52 − 63 by rounding each number to the nearest 10: ______
- Estimate 70 − 85 by rounding each number to the nearest 10: ______
- Estimate 41 + 63 by rounding each number to the nearest 10: ______
- Estimate 81 − 30 by rounding each number to the nearest 10: ______