Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 82 by rounding each number to the nearest 10: ______
- Estimate 62 + 25 by rounding each number to the nearest 10: ______
- Estimate 83 + 31 by rounding each number to the nearest 10: ______
- Estimate 44 − 72 by rounding each number to the nearest 10: ______
- Estimate 58 − 30 by rounding each number to the nearest 10: ______
- Estimate 71 − 87 by rounding each number to the nearest 10: ______
- Estimate 32 + 80 by rounding each number to the nearest 10: ______
- Estimate 83 − 78 by rounding each number to the nearest 10: ______
- Estimate 45 + 67 by rounding each number to the nearest 10: ______
- Estimate 78 + 77 by rounding each number to the nearest 10: ______
- Estimate 68 + 21 by rounding each number to the nearest 10: ______
- Estimate 52 − 62 by rounding each number to the nearest 10: ______
- Estimate 50 − 25 by rounding each number to the nearest 10: ______
- Estimate 58 + 30 by rounding each number to the nearest 10: ______
- Estimate 59 + 74 by rounding each number to the nearest 10: ______
- Estimate 76 − 37 by rounding each number to the nearest 10: ______
- Estimate 68 + 89 by rounding each number to the nearest 10: ______
- Estimate 24 + 31 by rounding each number to the nearest 10: ______
- Estimate 21 + 52 by rounding each number to the nearest 10: ______
- Estimate 60 − 76 by rounding each number to the nearest 10: ______