Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 + 23 by rounding each number to the nearest 10: ______
- Estimate 56 + 82 by rounding each number to the nearest 10: ______
- Estimate 64 + 77 by rounding each number to the nearest 10: ______
- Estimate 37 − 45 by rounding each number to the nearest 10: ______
- Estimate 55 + 62 by rounding each number to the nearest 10: ______
- Estimate 72 − 77 by rounding each number to the nearest 10: ______
- Estimate 70 + 26 by rounding each number to the nearest 10: ______
- Estimate 53 + 87 by rounding each number to the nearest 10: ______
- Estimate 37 − 60 by rounding each number to the nearest 10: ______
- Estimate 29 + 80 by rounding each number to the nearest 10: ______
- Estimate 65 + 50 by rounding each number to the nearest 10: ______
- Estimate 38 − 53 by rounding each number to the nearest 10: ______
- Estimate 75 + 84 by rounding each number to the nearest 10: ______
- Estimate 89 + 50 by rounding each number to the nearest 10: ______
- Estimate 70 + 39 by rounding each number to the nearest 10: ______
- Estimate 73 + 71 by rounding each number to the nearest 10: ______
- Estimate 30 − 77 by rounding each number to the nearest 10: ______
- Estimate 59 − 56 by rounding each number to the nearest 10: ______
- Estimate 23 + 82 by rounding each number to the nearest 10: ______
- Estimate 27 + 25 by rounding each number to the nearest 10: ______