Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 60 + 66 by rounding each number to the nearest 10: ______
- Estimate 75 + 53 by rounding each number to the nearest 10: ______
- Estimate 46 + 84 by rounding each number to the nearest 10: ______
- Estimate 89 − 78 by rounding each number to the nearest 10: ______
- Estimate 66 − 82 by rounding each number to the nearest 10: ______
- Estimate 32 − 29 by rounding each number to the nearest 10: ______
- Estimate 28 + 55 by rounding each number to the nearest 10: ______
- Estimate 69 − 53 by rounding each number to the nearest 10: ______
- Estimate 83 + 23 by rounding each number to the nearest 10: ______
- Estimate 75 − 77 by rounding each number to the nearest 10: ______
- Estimate 37 + 68 by rounding each number to the nearest 10: ______
- Estimate 42 + 75 by rounding each number to the nearest 10: ______
- Estimate 40 − 21 by rounding each number to the nearest 10: ______
- Estimate 45 − 28 by rounding each number to the nearest 10: ______
- Estimate 66 + 36 by rounding each number to the nearest 10: ______
- Estimate 45 + 42 by rounding each number to the nearest 10: ______
- Estimate 61 + 25 by rounding each number to the nearest 10: ______
- Estimate 83 − 88 by rounding each number to the nearest 10: ______
- Estimate 84 − 44 by rounding each number to the nearest 10: ______
- Estimate 58 − 34 by rounding each number to the nearest 10: ______