Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 − 82 by rounding each number to the nearest 10: ______
- Estimate 54 − 67 by rounding each number to the nearest 10: ______
- Estimate 62 + 43 by rounding each number to the nearest 10: ______
- Estimate 44 − 32 by rounding each number to the nearest 10: ______
- Estimate 55 − 36 by rounding each number to the nearest 10: ______
- Estimate 35 + 47 by rounding each number to the nearest 10: ______
- Estimate 50 − 30 by rounding each number to the nearest 10: ______
- Estimate 34 − 85 by rounding each number to the nearest 10: ______
- Estimate 40 − 30 by rounding each number to the nearest 10: ______
- Estimate 64 + 65 by rounding each number to the nearest 10: ______
- Estimate 44 + 45 by rounding each number to the nearest 10: ______
- Estimate 85 − 80 by rounding each number to the nearest 10: ______
- Estimate 68 + 89 by rounding each number to the nearest 10: ______
- Estimate 68 + 25 by rounding each number to the nearest 10: ______
- Estimate 27 − 51 by rounding each number to the nearest 10: ______
- Estimate 60 + 56 by rounding each number to the nearest 10: ______
- Estimate 72 − 89 by rounding each number to the nearest 10: ______
- Estimate 83 + 31 by rounding each number to the nearest 10: ______
- Estimate 65 + 26 by rounding each number to the nearest 10: ______
- Estimate 37 − 74 by rounding each number to the nearest 10: ______