Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 69 + 67 by rounding each number to the nearest 10: ______
- Estimate 79 − 79 by rounding each number to the nearest 10: ______
- Estimate 87 − 53 by rounding each number to the nearest 10: ______
- Estimate 60 + 46 by rounding each number to the nearest 10: ______
- Estimate 22 − 50 by rounding each number to the nearest 10: ______
- Estimate 80 + 80 by rounding each number to the nearest 10: ______
- Estimate 37 + 37 by rounding each number to the nearest 10: ______
- Estimate 45 + 76 by rounding each number to the nearest 10: ______
- Estimate 71 + 88 by rounding each number to the nearest 10: ______
- Estimate 85 + 30 by rounding each number to the nearest 10: ______
- Estimate 75 + 77 by rounding each number to the nearest 10: ______
- Estimate 45 + 57 by rounding each number to the nearest 10: ______
- Estimate 29 + 55 by rounding each number to the nearest 10: ______
- Estimate 76 − 39 by rounding each number to the nearest 10: ______
- Estimate 51 + 41 by rounding each number to the nearest 10: ______
- Estimate 38 − 40 by rounding each number to the nearest 10: ______
- Estimate 26 + 55 by rounding each number to the nearest 10: ______
- Estimate 21 − 25 by rounding each number to the nearest 10: ______
- Estimate 25 − 38 by rounding each number to the nearest 10: ______
- Estimate 32 + 29 by rounding each number to the nearest 10: ______