Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 66 − 38 by rounding each number to the nearest 10: ______
- Estimate 58 + 42 by rounding each number to the nearest 10: ______
- Estimate 82 + 70 by rounding each number to the nearest 10: ______
- Estimate 86 − 26 by rounding each number to the nearest 10: ______
- Estimate 21 + 36 by rounding each number to the nearest 10: ______
- Estimate 73 − 35 by rounding each number to the nearest 10: ______
- Estimate 47 + 65 by rounding each number to the nearest 10: ______
- Estimate 85 + 45 by rounding each number to the nearest 10: ______
- Estimate 36 + 34 by rounding each number to the nearest 10: ______
- Estimate 65 − 24 by rounding each number to the nearest 10: ______
- Estimate 52 − 68 by rounding each number to the nearest 10: ______
- Estimate 44 + 32 by rounding each number to the nearest 10: ______
- Estimate 65 + 47 by rounding each number to the nearest 10: ______
- Estimate 52 + 44 by rounding each number to the nearest 10: ______
- Estimate 51 − 86 by rounding each number to the nearest 10: ______
- Estimate 85 + 57 by rounding each number to the nearest 10: ______
- Estimate 73 − 29 by rounding each number to the nearest 10: ______
- Estimate 26 + 35 by rounding each number to the nearest 10: ______
- Estimate 89 − 22 by rounding each number to the nearest 10: ______
- Estimate 30 − 49 by rounding each number to the nearest 10: ______