Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 82 by rounding each number to the nearest 10: ______
- Estimate 39 − 50 by rounding each number to the nearest 10: ______
- Estimate 23 − 81 by rounding each number to the nearest 10: ______
- Estimate 45 − 76 by rounding each number to the nearest 10: ______
- Estimate 60 − 80 by rounding each number to the nearest 10: ______
- Estimate 74 + 43 by rounding each number to the nearest 10: ______
- Estimate 73 + 70 by rounding each number to the nearest 10: ______
- Estimate 57 − 74 by rounding each number to the nearest 10: ______
- Estimate 37 − 60 by rounding each number to the nearest 10: ______
- Estimate 36 − 63 by rounding each number to the nearest 10: ______
- Estimate 35 + 69 by rounding each number to the nearest 10: ______
- Estimate 65 + 26 by rounding each number to the nearest 10: ______
- Estimate 82 + 75 by rounding each number to the nearest 10: ______
- Estimate 46 + 36 by rounding each number to the nearest 10: ______
- Estimate 50 + 35 by rounding each number to the nearest 10: ______
- Estimate 73 + 87 by rounding each number to the nearest 10: ______
- Estimate 64 + 38 by rounding each number to the nearest 10: ______
- Estimate 24 − 73 by rounding each number to the nearest 10: ______
- Estimate 70 + 64 by rounding each number to the nearest 10: ______
- Estimate 33 − 36 by rounding each number to the nearest 10: ______