Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 72 − 44 by rounding each number to the nearest 10: ______
- Estimate 38 − 66 by rounding each number to the nearest 10: ______
- Estimate 59 + 82 by rounding each number to the nearest 10: ______
- Estimate 80 + 68 by rounding each number to the nearest 10: ______
- Estimate 36 + 37 by rounding each number to the nearest 10: ______
- Estimate 48 + 50 by rounding each number to the nearest 10: ______
- Estimate 81 + 70 by rounding each number to the nearest 10: ______
- Estimate 85 − 40 by rounding each number to the nearest 10: ______
- Estimate 23 + 81 by rounding each number to the nearest 10: ______
- Estimate 65 − 24 by rounding each number to the nearest 10: ______
- Estimate 45 + 21 by rounding each number to the nearest 10: ______
- Estimate 77 − 34 by rounding each number to the nearest 10: ______
- Estimate 67 − 62 by rounding each number to the nearest 10: ______
- Estimate 51 − 83 by rounding each number to the nearest 10: ______
- Estimate 50 − 62 by rounding each number to the nearest 10: ______
- Estimate 75 + 78 by rounding each number to the nearest 10: ______
- Estimate 32 + 22 by rounding each number to the nearest 10: ______
- Estimate 41 − 77 by rounding each number to the nearest 10: ______
- Estimate 81 − 42 by rounding each number to the nearest 10: ______
- Estimate 76 + 59 by rounding each number to the nearest 10: ______