Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 31 + 55 by rounding each number to the nearest 10: ______
- Estimate 57 + 58 by rounding each number to the nearest 10: ______
- Estimate 57 − 61 by rounding each number to the nearest 10: ______
- Estimate 26 − 66 by rounding each number to the nearest 10: ______
- Estimate 52 − 38 by rounding each number to the nearest 10: ______
- Estimate 21 + 50 by rounding each number to the nearest 10: ______
- Estimate 24 + 71 by rounding each number to the nearest 10: ______
- Estimate 78 + 70 by rounding each number to the nearest 10: ______
- Estimate 60 − 37 by rounding each number to the nearest 10: ______
- Estimate 64 − 78 by rounding each number to the nearest 10: ______
- Estimate 86 + 44 by rounding each number to the nearest 10: ______
- Estimate 36 − 28 by rounding each number to the nearest 10: ______
- Estimate 71 − 38 by rounding each number to the nearest 10: ______
- Estimate 66 − 65 by rounding each number to the nearest 10: ______
- Estimate 28 + 86 by rounding each number to the nearest 10: ______
- Estimate 43 + 68 by rounding each number to the nearest 10: ______
- Estimate 89 + 22 by rounding each number to the nearest 10: ______
- Estimate 38 − 46 by rounding each number to the nearest 10: ______
- Estimate 32 + 77 by rounding each number to the nearest 10: ______
- Estimate 86 − 68 by rounding each number to the nearest 10: ______