Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 56 + 21 by rounding each number to the nearest 10: ______
- Estimate 69 + 57 by rounding each number to the nearest 10: ______
- Estimate 73 + 68 by rounding each number to the nearest 10: ______
- Estimate 77 + 67 by rounding each number to the nearest 10: ______
- Estimate 26 + 56 by rounding each number to the nearest 10: ______
- Estimate 53 − 36 by rounding each number to the nearest 10: ______
- Estimate 75 − 61 by rounding each number to the nearest 10: ______
- Estimate 45 − 21 by rounding each number to the nearest 10: ______
- Estimate 32 − 46 by rounding each number to the nearest 10: ______
- Estimate 80 − 45 by rounding each number to the nearest 10: ______
- Estimate 47 − 72 by rounding each number to the nearest 10: ______
- Estimate 22 + 47 by rounding each number to the nearest 10: ______
- Estimate 65 − 47 by rounding each number to the nearest 10: ______
- Estimate 62 − 50 by rounding each number to the nearest 10: ______
- Estimate 69 − 56 by rounding each number to the nearest 10: ______
- Estimate 45 + 25 by rounding each number to the nearest 10: ______
- Estimate 21 + 83 by rounding each number to the nearest 10: ______
- Estimate 65 + 27 by rounding each number to the nearest 10: ______
- Estimate 82 − 71 by rounding each number to the nearest 10: ______
- Estimate 57 + 45 by rounding each number to the nearest 10: ______