Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 53 − 41 by rounding each number to the nearest 10: ______
- Estimate 37 − 57 by rounding each number to the nearest 10: ______
- Estimate 21 + 53 by rounding each number to the nearest 10: ______
- Estimate 46 + 65 by rounding each number to the nearest 10: ______
- Estimate 58 + 54 by rounding each number to the nearest 10: ______
- Estimate 55 + 23 by rounding each number to the nearest 10: ______
- Estimate 30 − 32 by rounding each number to the nearest 10: ______
- Estimate 71 + 69 by rounding each number to the nearest 10: ______
- Estimate 28 − 77 by rounding each number to the nearest 10: ______
- Estimate 50 + 42 by rounding each number to the nearest 10: ______
- Estimate 85 − 76 by rounding each number to the nearest 10: ______
- Estimate 52 + 75 by rounding each number to the nearest 10: ______
- Estimate 61 + 41 by rounding each number to the nearest 10: ______
- Estimate 71 + 40 by rounding each number to the nearest 10: ______
- Estimate 81 − 62 by rounding each number to the nearest 10: ______
- Estimate 69 − 77 by rounding each number to the nearest 10: ______
- Estimate 85 + 22 by rounding each number to the nearest 10: ______
- Estimate 56 − 82 by rounding each number to the nearest 10: ______
- Estimate 30 − 30 by rounding each number to the nearest 10: ______
- Estimate 42 + 31 by rounding each number to the nearest 10: ______