Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 40 by rounding each number to the nearest 10: ______
- Estimate 27 + 40 by rounding each number to the nearest 10: ______
- Estimate 25 + 44 by rounding each number to the nearest 10: ______
- Estimate 66 + 32 by rounding each number to the nearest 10: ______
- Estimate 86 + 81 by rounding each number to the nearest 10: ______
- Estimate 40 + 49 by rounding each number to the nearest 10: ______
- Estimate 41 + 52 by rounding each number to the nearest 10: ______
- Estimate 38 − 73 by rounding each number to the nearest 10: ______
- Estimate 45 − 68 by rounding each number to the nearest 10: ______
- Estimate 30 − 34 by rounding each number to the nearest 10: ______
- Estimate 57 − 70 by rounding each number to the nearest 10: ______
- Estimate 32 + 49 by rounding each number to the nearest 10: ______
- Estimate 82 − 87 by rounding each number to the nearest 10: ______
- Estimate 48 + 27 by rounding each number to the nearest 10: ______
- Estimate 72 + 86 by rounding each number to the nearest 10: ______
- Estimate 65 − 36 by rounding each number to the nearest 10: ______
- Estimate 50 − 45 by rounding each number to the nearest 10: ______
- Estimate 84 − 57 by rounding each number to the nearest 10: ______
- Estimate 40 − 21 by rounding each number to the nearest 10: ______
- Estimate 77 + 87 by rounding each number to the nearest 10: ______