Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 + 41 by rounding each number to the nearest 10: ______
- Estimate 42 − 29 by rounding each number to the nearest 10: ______
- Estimate 64 − 33 by rounding each number to the nearest 10: ______
- Estimate 26 + 89 by rounding each number to the nearest 10: ______
- Estimate 78 + 34 by rounding each number to the nearest 10: ______
- Estimate 77 − 56 by rounding each number to the nearest 10: ______
- Estimate 29 + 89 by rounding each number to the nearest 10: ______
- Estimate 83 + 81 by rounding each number to the nearest 10: ______
- Estimate 75 + 66 by rounding each number to the nearest 10: ______
- Estimate 26 − 55 by rounding each number to the nearest 10: ______
- Estimate 67 + 50 by rounding each number to the nearest 10: ______
- Estimate 70 + 72 by rounding each number to the nearest 10: ______
- Estimate 86 + 41 by rounding each number to the nearest 10: ______
- Estimate 23 + 77 by rounding each number to the nearest 10: ______
- Estimate 40 + 65 by rounding each number to the nearest 10: ______
- Estimate 74 − 76 by rounding each number to the nearest 10: ______
- Estimate 50 + 54 by rounding each number to the nearest 10: ______
- Estimate 55 − 73 by rounding each number to the nearest 10: ______
- Estimate 67 + 89 by rounding each number to the nearest 10: ______
- Estimate 22 + 75 by rounding each number to the nearest 10: ______