Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 46 by rounding each number to the nearest 10: ______
- Estimate 30 − 65 by rounding each number to the nearest 10: ______
- Estimate 50 + 25 by rounding each number to the nearest 10: ______
- Estimate 38 + 36 by rounding each number to the nearest 10: ______
- Estimate 43 + 83 by rounding each number to the nearest 10: ______
- Estimate 63 − 85 by rounding each number to the nearest 10: ______
- Estimate 57 − 49 by rounding each number to the nearest 10: ______
- Estimate 38 − 70 by rounding each number to the nearest 10: ______
- Estimate 63 − 23 by rounding each number to the nearest 10: ______
- Estimate 77 − 35 by rounding each number to the nearest 10: ______
- Estimate 22 + 50 by rounding each number to the nearest 10: ______
- Estimate 39 − 23 by rounding each number to the nearest 10: ______
- Estimate 61 + 39 by rounding each number to the nearest 10: ______
- Estimate 73 − 41 by rounding each number to the nearest 10: ______
- Estimate 30 + 75 by rounding each number to the nearest 10: ______
- Estimate 61 − 22 by rounding each number to the nearest 10: ______
- Estimate 74 − 40 by rounding each number to the nearest 10: ______
- Estimate 49 − 36 by rounding each number to the nearest 10: ______
- Estimate 52 + 63 by rounding each number to the nearest 10: ______
- Estimate 79 + 63 by rounding each number to the nearest 10: ______