Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 − 87 by rounding each number to the nearest 10: ______
- Estimate 68 + 45 by rounding each number to the nearest 10: ______
- Estimate 80 + 74 by rounding each number to the nearest 10: ______
- Estimate 51 + 33 by rounding each number to the nearest 10: ______
- Estimate 56 + 85 by rounding each number to the nearest 10: ______
- Estimate 57 − 23 by rounding each number to the nearest 10: ______
- Estimate 24 − 69 by rounding each number to the nearest 10: ______
- Estimate 54 + 54 by rounding each number to the nearest 10: ______
- Estimate 24 + 40 by rounding each number to the nearest 10: ______
- Estimate 70 − 29 by rounding each number to the nearest 10: ______
- Estimate 35 − 46 by rounding each number to the nearest 10: ______
- Estimate 32 + 25 by rounding each number to the nearest 10: ______
- Estimate 60 − 49 by rounding each number to the nearest 10: ______
- Estimate 51 + 69 by rounding each number to the nearest 10: ______
- Estimate 52 + 72 by rounding each number to the nearest 10: ______
- Estimate 52 − 38 by rounding each number to the nearest 10: ______
- Estimate 70 + 89 by rounding each number to the nearest 10: ______
- Estimate 86 − 82 by rounding each number to the nearest 10: ______
- Estimate 36 + 60 by rounding each number to the nearest 10: ______
- Estimate 32 + 42 by rounding each number to the nearest 10: ______