Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 66 by rounding each number to the nearest 10: ______
- Estimate 47 + 81 by rounding each number to the nearest 10: ______
- Estimate 57 − 77 by rounding each number to the nearest 10: ______
- Estimate 40 + 30 by rounding each number to the nearest 10: ______
- Estimate 77 − 42 by rounding each number to the nearest 10: ______
- Estimate 73 − 37 by rounding each number to the nearest 10: ______
- Estimate 85 − 60 by rounding each number to the nearest 10: ______
- Estimate 27 − 89 by rounding each number to the nearest 10: ______
- Estimate 56 − 67 by rounding each number to the nearest 10: ______
- Estimate 65 + 38 by rounding each number to the nearest 10: ______
- Estimate 72 + 57 by rounding each number to the nearest 10: ______
- Estimate 46 − 26 by rounding each number to the nearest 10: ______
- Estimate 72 + 60 by rounding each number to the nearest 10: ______
- Estimate 70 − 38 by rounding each number to the nearest 10: ______
- Estimate 68 − 45 by rounding each number to the nearest 10: ______
- Estimate 70 − 56 by rounding each number to the nearest 10: ______
- Estimate 81 − 39 by rounding each number to the nearest 10: ______
- Estimate 69 + 52 by rounding each number to the nearest 10: ______
- Estimate 33 − 42 by rounding each number to the nearest 10: ______
- Estimate 50 + 46 by rounding each number to the nearest 10: ______