Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 40 by rounding each number to the nearest 10: ______
- Estimate 81 + 76 by rounding each number to the nearest 10: ______
- Estimate 65 − 53 by rounding each number to the nearest 10: ______
- Estimate 86 + 77 by rounding each number to the nearest 10: ______
- Estimate 60 + 34 by rounding each number to the nearest 10: ______
- Estimate 57 − 75 by rounding each number to the nearest 10: ______
- Estimate 21 − 41 by rounding each number to the nearest 10: ______
- Estimate 40 + 87 by rounding each number to the nearest 10: ______
- Estimate 74 + 74 by rounding each number to the nearest 10: ______
- Estimate 79 − 61 by rounding each number to the nearest 10: ______
- Estimate 84 + 50 by rounding each number to the nearest 10: ______
- Estimate 22 + 70 by rounding each number to the nearest 10: ______
- Estimate 82 − 27 by rounding each number to the nearest 10: ______
- Estimate 59 − 69 by rounding each number to the nearest 10: ______
- Estimate 34 − 59 by rounding each number to the nearest 10: ______
- Estimate 79 + 32 by rounding each number to the nearest 10: ______
- Estimate 74 + 24 by rounding each number to the nearest 10: ______
- Estimate 41 + 60 by rounding each number to the nearest 10: ______
- Estimate 87 − 79 by rounding each number to the nearest 10: ______
- Estimate 87 − 89 by rounding each number to the nearest 10: ______