Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 66 + 67 by rounding each number to the nearest 10: ______
- Estimate 28 + 88 by rounding each number to the nearest 10: ______
- Estimate 89 + 50 by rounding each number to the nearest 10: ______
- Estimate 29 − 81 by rounding each number to the nearest 10: ______
- Estimate 86 − 75 by rounding each number to the nearest 10: ______
- Estimate 28 + 50 by rounding each number to the nearest 10: ______
- Estimate 53 + 77 by rounding each number to the nearest 10: ______
- Estimate 43 − 89 by rounding each number to the nearest 10: ______
- Estimate 73 + 37 by rounding each number to the nearest 10: ______
- Estimate 89 − 77 by rounding each number to the nearest 10: ______
- Estimate 53 + 35 by rounding each number to the nearest 10: ______
- Estimate 75 + 24 by rounding each number to the nearest 10: ______
- Estimate 72 + 33 by rounding each number to the nearest 10: ______
- Estimate 85 + 63 by rounding each number to the nearest 10: ______
- Estimate 30 − 58 by rounding each number to the nearest 10: ______
- Estimate 68 + 51 by rounding each number to the nearest 10: ______
- Estimate 21 − 82 by rounding each number to the nearest 10: ______
- Estimate 86 + 60 by rounding each number to the nearest 10: ______
- Estimate 29 − 21 by rounding each number to the nearest 10: ______
- Estimate 22 + 37 by rounding each number to the nearest 10: ______