Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 − 66 by rounding each number to the nearest 10: ______
- Estimate 48 + 48 by rounding each number to the nearest 10: ______
- Estimate 86 + 30 by rounding each number to the nearest 10: ______
- Estimate 41 − 23 by rounding each number to the nearest 10: ______
- Estimate 56 + 21 by rounding each number to the nearest 10: ______
- Estimate 67 − 23 by rounding each number to the nearest 10: ______
- Estimate 70 − 25 by rounding each number to the nearest 10: ______
- Estimate 78 + 89 by rounding each number to the nearest 10: ______
- Estimate 49 − 66 by rounding each number to the nearest 10: ______
- Estimate 54 − 42 by rounding each number to the nearest 10: ______
- Estimate 57 − 49 by rounding each number to the nearest 10: ______
- Estimate 37 + 52 by rounding each number to the nearest 10: ______
- Estimate 71 − 44 by rounding each number to the nearest 10: ______
- Estimate 22 − 68 by rounding each number to the nearest 10: ______
- Estimate 76 + 21 by rounding each number to the nearest 10: ______
- Estimate 34 + 48 by rounding each number to the nearest 10: ______
- Estimate 86 + 45 by rounding each number to the nearest 10: ______
- Estimate 30 + 42 by rounding each number to the nearest 10: ______
- Estimate 77 + 41 by rounding each number to the nearest 10: ______
- Estimate 78 + 51 by rounding each number to the nearest 10: ______